Home / 1,182,508.20-1,773,992.70-472,415.40

Finding the Fourth Proportional to 1,182,508.20, 1,773,992.70 and 472,415.40

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Solution

The fourth proportional to 1,182,508.20, 1,773,992.70 and 472,415.40 is: 708,715.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,508.20 : 1,773,992.70 = 472,415.40 : x
  2. Step 2: Convert to fraction form
    1,182,508.20/1,773,992.70 = 472,415.40/x
  3. Step 3: Cross multiply
    1,182,508.20x = 1,773,992.70 × 472,415.40
  4. Step 4: Simplify right side
    1,182,508.20x = 838,061,470,967.58
  5. Step 5: Solve for x
    x = 838,061,470,967.58/1,182,508.20
  6. Step 6: Final answer
    x = 708,715.15

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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.