Home / 1,536,707.79-2,120,934.31-916,552.70

Finding the Fourth Proportional to 1,536,707.79, 2,120,934.31 and 916,552.70

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Solution

The fourth proportional to 1,536,707.79, 2,120,934.31 and 916,552.70 is: 1,265,008.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,707.79 : 2,120,934.31 = 916,552.70 : x
  2. Step 2: Convert to fraction form
    1,536,707.79/2,120,934.31 = 916,552.70/x
  3. Step 3: Cross multiply
    1,536,707.79x = 2,120,934.31 × 916,552.70
  4. Step 4: Simplify right side
    1,536,707.79x = 1,943,948,068,353.14
  5. Step 5: Solve for x
    x = 1,943,948,068,353.14/1,536,707.79
  6. Step 6: Final answer
    x = 1,265,008.27

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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.