Home / 1,425,287.32-2,138,030.75-572,358.94

Finding the Fourth Proportional to 1,425,287.32, 2,138,030.75 and 572,358.94

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Solution

The fourth proportional to 1,425,287.32, 2,138,030.75 and 572,358.94 is: 858,578.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,287.32 : 2,138,030.75 = 572,358.94 : x
  2. Step 2: Convert to fraction form
    1,425,287.32/2,138,030.75 = 572,358.94/x
  3. Step 3: Cross multiply
    1,425,287.32x = 2,138,030.75 × 572,358.94
  4. Step 4: Simplify right side
    1,425,287.32x = 1,223,721,013,757.40
  5. Step 5: Solve for x
    x = 1,223,721,013,757.40/1,425,287.32
  6. Step 6: Final answer
    x = 858,578.48

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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.