Home / 1,042,703.60-1,564,055.40-443,684.30

Finding the Fourth Proportional to 1,042,703.60, 1,564,055.40 and 443,684.30

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Solution

The fourth proportional to 1,042,703.60, 1,564,055.40 and 443,684.30 is: 665,526.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,703.60 : 1,564,055.40 = 443,684.30 : x
  2. Step 2: Convert to fraction form
    1,042,703.60/1,564,055.40 = 443,684.30/x
  3. Step 3: Cross multiply
    1,042,703.60x = 1,564,055.40 × 443,684.30
  4. Step 4: Simplify right side
    1,042,703.60x = 693,946,825,310.22
  5. Step 5: Solve for x
    x = 693,946,825,310.22/1,042,703.60
  6. Step 6: Final answer
    x = 665,526.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.