Home / 1,087,244.70-1,627,641.45-807,999.90

Finding the Fourth Proportional to 1,087,244.70, 1,627,641.45 and 807,999.90

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Solution

The fourth proportional to 1,087,244.70, 1,627,641.45 and 807,999.90 is: 1,209,602.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,244.70 : 1,627,641.45 = 807,999.90 : x
  2. Step 2: Convert to fraction form
    1,087,244.70/1,627,641.45 = 807,999.90/x
  3. Step 3: Cross multiply
    1,087,244.70x = 1,627,641.45 × 807,999.90
  4. Step 4: Simplify right side
    1,087,244.70x = 1,315,134,128,835.86
  5. Step 5: Solve for x
    x = 1,315,134,128,835.86/1,087,244.70
  6. Step 6: Final answer
    x = 1,209,602.70

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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.