Home / 1,502,543.66-2,073,505.43-814,218.21

Finding the Fourth Proportional to 1,502,543.66, 2,073,505.43 and 814,218.21

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Solution

The fourth proportional to 1,502,543.66, 2,073,505.43 and 814,218.21 is: 1,123,618.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502,543.66 : 2,073,505.43 = 814,218.21 : x
  2. Step 2: Convert to fraction form
    1,502,543.66/2,073,505.43 = 814,218.21/x
  3. Step 3: Cross multiply
    1,502,543.66x = 2,073,505.43 × 814,218.21
  4. Step 4: Simplify right side
    1,502,543.66x = 1,688,285,881,675.43
  5. Step 5: Solve for x
    x = 1,688,285,881,675.43/1,502,543.66
  6. Step 6: Final answer
    x = 1,123,618.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.