Home / 1,381,296.29-2,070,373.26-840,360.16

Finding the Fourth Proportional to 1,381,296.29, 2,070,373.26 and 840,360.16

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Solution

The fourth proportional to 1,381,296.29, 2,070,373.26 and 840,360.16 is: 1,259,584.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,296.29 : 2,070,373.26 = 840,360.16 : x
  2. Step 2: Convert to fraction form
    1,381,296.29/2,070,373.26 = 840,360.16/x
  3. Step 3: Cross multiply
    1,381,296.29x = 2,070,373.26 × 840,360.16
  4. Step 4: Simplify right side
    1,381,296.29x = 1,739,859,193,399.76
  5. Step 5: Solve for x
    x = 1,739,859,193,399.76/1,381,296.29
  6. Step 6: Final answer
    x = 1,259,584.35

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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.