Home / 1,217,743.59-1,680,444.78-673,902.30

Finding the Fourth Proportional to 1,217,743.59, 1,680,444.78 and 673,902.30

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Solution

The fourth proportional to 1,217,743.59, 1,680,444.78 and 673,902.30 is: 929,962.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,743.59 : 1,680,444.78 = 673,902.30 : x
  2. Step 2: Convert to fraction form
    1,217,743.59/1,680,444.78 = 673,902.30/x
  3. Step 3: Cross multiply
    1,217,743.59x = 1,680,444.78 × 673,902.30
  4. Step 4: Simplify right side
    1,217,743.59x = 1,132,455,602,264.99
  5. Step 5: Solve for x
    x = 1,132,455,602,264.99/1,217,743.59
  6. Step 6: Final answer
    x = 929,962.28

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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.