Home / 887,419.40-1,331,129.10-834,931.40

Finding the Fourth Proportional to 887,419.40, 1,331,129.10 and 834,931.40

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Solution

The fourth proportional to 887,419.40, 1,331,129.10 and 834,931.40 is: 1,252,397.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,419.40 : 1,331,129.10 = 834,931.40 : x
  2. Step 2: Convert to fraction form
    887,419.40/1,331,129.10 = 834,931.40/x
  3. Step 3: Cross multiply
    887,419.40x = 1,331,129.10 × 834,931.40
  4. Step 4: Simplify right side
    887,419.40x = 1,111,401,483,043.74
  5. Step 5: Solve for x
    x = 1,111,401,483,043.74/887,419.40
  6. Step 6: Final answer
    x = 1,252,397.10

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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.