Home / 1,263,001.01-1,742,920.13-690,045.89

Finding the Fourth Proportional to 1,263,001.01, 1,742,920.13 and 690,045.89

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Solution

The fourth proportional to 1,263,001.01, 1,742,920.13 and 690,045.89 is: 952,251.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,001.01 : 1,742,920.13 = 690,045.89 : x
  2. Step 2: Convert to fraction form
    1,263,001.01/1,742,920.13 = 690,045.89/x
  3. Step 3: Cross multiply
    1,263,001.01x = 1,742,920.13 × 690,045.89
  4. Step 4: Simplify right side
    1,263,001.01x = 1,202,694,865,315.28
  5. Step 5: Solve for x
    x = 1,202,694,865,315.28/1,263,001.01
  6. Step 6: Final answer
    x = 952,251.71

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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.