Home / 1,218,298.76-1,680,724.54-734,595.18

Finding the Fourth Proportional to 1,218,298.76, 1,680,724.54 and 734,595.18

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Solution

The fourth proportional to 1,218,298.76, 1,680,724.54 and 734,595.18 is: 1,013,423.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,298.76 : 1,680,724.54 = 734,595.18 : x
  2. Step 2: Convert to fraction form
    1,218,298.76/1,680,724.54 = 734,595.18/x
  3. Step 3: Cross multiply
    1,218,298.76x = 1,680,724.54 × 734,595.18
  4. Step 4: Simplify right side
    1,218,298.76x = 1,234,652,142,318.74
  5. Step 5: Solve for x
    x = 1,234,652,142,318.74/1,218,298.76
  6. Step 6: Final answer
    x = 1,013,423.13

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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.