Home / 1,221,492.57-1,831,641.87-501,641.86

Finding the Fourth Proportional to 1,221,492.57, 1,831,641.87 and 501,641.86

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Solution

The fourth proportional to 1,221,492.57, 1,831,641.87 and 501,641.86 is: 752,217.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,492.57 : 1,831,641.87 = 501,641.86 : x
  2. Step 2: Convert to fraction form
    1,221,492.57/1,831,641.87 = 501,641.86/x
  3. Step 3: Cross multiply
    1,221,492.57x = 1,831,641.87 × 501,641.86
  4. Step 4: Simplify right side
    1,221,492.57x = 918,828,234,520.68
  5. Step 5: Solve for x
    x = 918,828,234,520.68/1,221,492.57
  6. Step 6: Final answer
    x = 752,217.62

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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.