Home / 1,432,011.74-1,976,108.55-787,459.10

Finding the Fourth Proportional to 1,432,011.74, 1,976,108.55 and 787,459.10

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Solution

The fourth proportional to 1,432,011.74, 1,976,108.55 and 787,459.10 is: 1,086,656.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,011.74 : 1,976,108.55 = 787,459.10 : x
  2. Step 2: Convert to fraction form
    1,432,011.74/1,976,108.55 = 787,459.10/x
  3. Step 3: Cross multiply
    1,432,011.74x = 1,976,108.55 × 787,459.10
  4. Step 4: Simplify right side
    1,432,011.74x = 1,556,104,660,285.31
  5. Step 5: Solve for x
    x = 1,556,104,660,285.31/1,432,011.74
  6. Step 6: Final answer
    x = 1,086,656.36

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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.