Home / 1,391,612.20-2,087,612.70-592,887.40

Finding the Fourth Proportional to 1,391,612.20, 2,087,612.70 and 592,887.40

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Solution

The fourth proportional to 1,391,612.20, 2,087,612.70 and 592,887.40 is: 889,413.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,612.20 : 2,087,612.70 = 592,887.40 : x
  2. Step 2: Convert to fraction form
    1,391,612.20/2,087,612.70 = 592,887.40/x
  3. Step 3: Cross multiply
    1,391,612.20x = 2,087,612.70 × 592,887.40
  4. Step 4: Simplify right side
    1,391,612.20x = 1,237,719,265,909.98
  5. Step 5: Solve for x
    x = 1,237,719,265,909.98/1,391,612.20
  6. Step 6: Final answer
    x = 889,413.92

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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.