Home / 1,154,769.60-1,731,232.80-489,374.40

Finding the Fourth Proportional to 1,154,769.60, 1,731,232.80 and 489,374.40

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Solution

The fourth proportional to 1,154,769.60, 1,731,232.80 and 489,374.40 is: 733,671.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,769.60 : 1,731,232.80 = 489,374.40 : x
  2. Step 2: Convert to fraction form
    1,154,769.60/1,731,232.80 = 489,374.40/x
  3. Step 3: Cross multiply
    1,154,769.60x = 1,731,232.80 × 489,374.40
  4. Step 4: Simplify right side
    1,154,769.60x = 847,221,012,760.32
  5. Step 5: Solve for x
    x = 847,221,012,760.32/1,154,769.60
  6. Step 6: Final answer
    x = 733,671.04

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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.