Home / 1,443,657.92-2,165,477.16-1,128,380

Finding the Fourth Proportional to 1,443,657.92, 2,165,477.16 and 1,128,380

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Solution

The fourth proportional to 1,443,657.92, 2,165,477.16 and 1,128,380 is: 1,692,562.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,657.92 : 2,165,477.16 = 1,128,380 : x
  2. Step 2: Convert to fraction form
    1,443,657.92/2,165,477.16 = 1,128,380/x
  3. Step 3: Cross multiply
    1,443,657.92x = 2,165,477.16 × 1,128,380
  4. Step 4: Simplify right side
    1,443,657.92x = 2,443,481,117,800.80
  5. Step 5: Solve for x
    x = 2,443,481,117,800.80/1,443,657.92
  6. Step 6: Final answer
    x = 1,692,562.40

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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.