Home / 1,457,429.30-2,186,143.95-748,841.30

Finding the Fourth Proportional to 1,457,429.30, 2,186,143.95 and 748,841.30

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Solution

The fourth proportional to 1,457,429.30, 2,186,143.95 and 748,841.30 is: 1,123,261.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,429.30 : 2,186,143.95 = 748,841.30 : x
  2. Step 2: Convert to fraction form
    1,457,429.30/2,186,143.95 = 748,841.30/x
  3. Step 3: Cross multiply
    1,457,429.30x = 2,186,143.95 × 748,841.30
  4. Step 4: Simplify right side
    1,457,429.30x = 1,637,074,877,505.14
  5. Step 5: Solve for x
    x = 1,637,074,877,505.14/1,457,429.30
  6. Step 6: Final answer
    x = 1,123,261.95

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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.