Home / 1,218,300.19-1,680,726.52-734,596.62

Finding the Fourth Proportional to 1,218,300.19, 1,680,726.52 and 734,596.62

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Solution

The fourth proportional to 1,218,300.19, 1,680,726.52 and 734,596.62 is: 1,013,425.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,300.19 : 1,680,726.52 = 734,596.62 : x
  2. Step 2: Convert to fraction form
    1,218,300.19/1,680,726.52 = 734,596.62/x
  3. Step 3: Cross multiply
    1,218,300.19x = 1,680,726.52 × 734,596.62
  4. Step 4: Simplify right side
    1,218,300.19x = 1,234,656,024,938.18
  5. Step 5: Solve for x
    x = 1,234,656,024,938.18/1,218,300.19
  6. Step 6: Final answer
    x = 1,013,425.13

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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.