Home / 1,221,337.10-1,832,005.65-772,564.70

Finding the Fourth Proportional to 1,221,337.10, 1,832,005.65 and 772,564.70

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Solution

The fourth proportional to 1,221,337.10, 1,832,005.65 and 772,564.70 is: 1,158,847.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,337.10 : 1,832,005.65 = 772,564.70 : x
  2. Step 2: Convert to fraction form
    1,221,337.10/1,832,005.65 = 772,564.70/x
  3. Step 3: Cross multiply
    1,221,337.10x = 1,832,005.65 × 772,564.70
  4. Step 4: Simplify right side
    1,221,337.10x = 1,415,342,895,390.56
  5. Step 5: Solve for x
    x = 1,415,342,895,390.56/1,221,337.10
  6. Step 6: Final answer
    x = 1,158,847.05

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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.