Home / 1,110,705.71-1,666,123.17-312,049.53

Finding the Fourth Proportional to 1,110,705.71, 1,666,123.17 and 312,049.53

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Solution

The fourth proportional to 1,110,705.71, 1,666,123.17 and 312,049.53 is: 468,092.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,705.71 : 1,666,123.17 = 312,049.53 : x
  2. Step 2: Convert to fraction form
    1,110,705.71/1,666,123.17 = 312,049.53/x
  3. Step 3: Cross multiply
    1,110,705.71x = 1,666,123.17 × 312,049.53
  4. Step 4: Simplify right side
    1,110,705.71x = 519,912,952,120.61
  5. Step 5: Solve for x
    x = 519,912,952,120.61/1,110,705.71
  6. Step 6: Final answer
    x = 468,092.45

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1.5x scale

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.