Home / 1,402,887.34-2,101,285.92-861,500.66

Finding the Fourth Proportional to 1,402,887.34, 2,101,285.92 and 861,500.66

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Solution

The fourth proportional to 1,402,887.34, 2,101,285.92 and 861,500.66 is: 1,290,381.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,887.34 : 2,101,285.92 = 861,500.66 : x
  2. Step 2: Convert to fraction form
    1,402,887.34/2,101,285.92 = 861,500.66/x
  3. Step 3: Cross multiply
    1,402,887.34x = 2,101,285.92 × 861,500.66
  4. Step 4: Simplify right side
    1,402,887.34x = 1,810,259,206,928.71
  5. Step 5: Solve for x
    x = 1,810,259,206,928.71/1,402,887.34
  6. Step 6: Final answer
    x = 1,290,381.03

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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.