Home / 1,323,214.92-1,985,478.22-524,478.76

Finding the Fourth Proportional to 1,323,214.92, 1,985,478.22 and 524,478.76

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Solution

The fourth proportional to 1,323,214.92, 1,985,478.22 and 524,478.76 is: 786,978.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,214.92 : 1,985,478.22 = 524,478.76 : x
  2. Step 2: Convert to fraction form
    1,323,214.92/1,985,478.22 = 524,478.76/x
  3. Step 3: Cross multiply
    1,323,214.92x = 1,985,478.22 × 524,478.76
  4. Step 4: Simplify right side
    1,323,214.92x = 1,041,341,154,832.61
  5. Step 5: Solve for x
    x = 1,041,341,154,832.61/1,323,214.92
  6. Step 6: Final answer
    x = 786,978.09

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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.