Home / 1,425,565.80-2,138,924.70-626,999.40

Finding the Fourth Proportional to 1,425,565.80, 2,138,924.70 and 626,999.40

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Solution

The fourth proportional to 1,425,565.80, 2,138,924.70 and 626,999.40 is: 940,752.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,565.80 : 2,138,924.70 = 626,999.40 : x
  2. Step 2: Convert to fraction form
    1,425,565.80/2,138,924.70 = 626,999.40/x
  3. Step 3: Cross multiply
    1,425,565.80x = 2,138,924.70 × 626,999.40
  4. Step 4: Simplify right side
    1,425,565.80x = 1,341,104,503,545.18
  5. Step 5: Solve for x
    x = 1,341,104,503,545.18/1,425,565.80
  6. Step 6: Final answer
    x = 940,752.44

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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.