Home / 1,087,363.40-1,631,433.90-456,470.60

Finding the Fourth Proportional to 1,087,363.40, 1,631,433.90 and 456,470.60

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Solution

The fourth proportional to 1,087,363.40, 1,631,433.90 and 456,470.60 is: 684,869.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,363.40 : 1,631,433.90 = 456,470.60 : x
  2. Step 2: Convert to fraction form
    1,087,363.40/1,631,433.90 = 456,470.60/x
  3. Step 3: Cross multiply
    1,087,363.40x = 1,631,433.90 × 456,470.60
  4. Step 4: Simplify right side
    1,087,363.40x = 744,701,611,193.34
  5. Step 5: Solve for x
    x = 744,701,611,193.34/1,087,363.40
  6. Step 6: Final answer
    x = 684,869.12

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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.