Home / 1,154,828.10-1,731,320.55-489,432.90

Finding the Fourth Proportional to 1,154,828.10, 1,731,320.55 and 489,432.90

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Solution

The fourth proportional to 1,154,828.10, 1,731,320.55 and 489,432.90 is: 733,758.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,828.10 : 1,731,320.55 = 489,432.90 : x
  2. Step 2: Convert to fraction form
    1,154,828.10/1,731,320.55 = 489,432.90/x
  3. Step 3: Cross multiply
    1,154,828.10x = 1,731,320.55 × 489,432.90
  4. Step 4: Simplify right side
    1,154,828.10x = 847,365,237,616.10
  5. Step 5: Solve for x
    x = 847,365,237,616.10/1,154,828.10
  6. Step 6: Final answer
    x = 733,758.76

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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.