Home / 1,154,830.10-1,731,323.55-489,434.90

Finding the Fourth Proportional to 1,154,830.10, 1,731,323.55 and 489,434.90

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Solution

The fourth proportional to 1,154,830.10, 1,731,323.55 and 489,434.90 is: 733,761.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,830.10 : 1,731,323.55 = 489,434.90 : x
  2. Step 2: Convert to fraction form
    1,154,830.10/1,731,323.55 = 489,434.90/x
  3. Step 3: Cross multiply
    1,154,830.10x = 1,731,323.55 × 489,434.90
  4. Step 4: Simplify right side
    1,154,830.10x = 847,370,168,561.90
  5. Step 5: Solve for x
    x = 847,370,168,561.90/1,154,830.10
  6. Step 6: Final answer
    x = 733,761.76

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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.