Home / 1,298,506.80-1,946,838.60-499,479.60

Finding the Fourth Proportional to 1,298,506.80, 1,946,838.60 and 499,479.60

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Solution

The fourth proportional to 1,298,506.80, 1,946,838.60 and 499,479.60 is: 748,864.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,506.80 : 1,946,838.60 = 499,479.60 : x
  2. Step 2: Convert to fraction form
    1,298,506.80/1,946,838.60 = 499,479.60/x
  3. Step 3: Cross multiply
    1,298,506.80x = 1,946,838.60 × 499,479.60
  4. Step 4: Simplify right side
    1,298,506.80x = 972,406,165,192.56
  5. Step 5: Solve for x
    x = 972,406,165,192.56/1,298,506.80
  6. Step 6: Final answer
    x = 748,864.90

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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.