Home / 1,580,445.60-2,370,668.40-398,493.60

Finding the Fourth Proportional to 1,580,445.60, 2,370,668.40 and 398,493.60

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Solution

The fourth proportional to 1,580,445.60, 2,370,668.40 and 398,493.60 is: 597,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,445.60 : 2,370,668.40 = 398,493.60 : x
  2. Step 2: Convert to fraction form
    1,580,445.60/2,370,668.40 = 398,493.60/x
  3. Step 3: Cross multiply
    1,580,445.60x = 2,370,668.40 × 398,493.60
  4. Step 4: Simplify right side
    1,580,445.60x = 944,696,185,122.24
  5. Step 5: Solve for x
    x = 944,696,185,122.24/1,580,445.60
  6. Step 6: Final answer
    x = 597,740.40

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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.