Home / 1,386,421.13-2,079,631.69-499,957.13

Finding the Fourth Proportional to 1,386,421.13, 2,079,631.69 and 499,957.13

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Solution

The fourth proportional to 1,386,421.13, 2,079,631.69 and 499,957.13 is: 749,935.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,421.13 : 2,079,631.69 = 499,957.13 : x
  2. Step 2: Convert to fraction form
    1,386,421.13/2,079,631.69 = 499,957.13/x
  3. Step 3: Cross multiply
    1,386,421.13x = 2,079,631.69 × 499,957.13
  4. Step 4: Simplify right side
    1,386,421.13x = 1,039,726,679,541.40
  5. Step 5: Solve for x
    x = 1,039,726,679,541.40/1,386,421.13
  6. Step 6: Final answer
    x = 749,935.69

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Similar ratio
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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.