Home / 1,447,970.20-2,172,992.10-607,125.40

Finding the Fourth Proportional to 1,447,970.20, 2,172,992.10 and 607,125.40

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Solution

The fourth proportional to 1,447,970.20, 2,172,992.10 and 607,125.40 is: 911,122.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,970.20 : 2,172,992.10 = 607,125.40 : x
  2. Step 2: Convert to fraction form
    1,447,970.20/2,172,992.10 = 607,125.40/x
  3. Step 3: Cross multiply
    1,447,970.20x = 2,172,992.10 × 607,125.40
  4. Step 4: Simplify right side
    1,447,970.20x = 1,319,278,697,909.34
  5. Step 5: Solve for x
    x = 1,319,278,697,909.34/1,447,970.20
  6. Step 6: Final answer
    x = 911,122.82

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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.