Home / 1,283,350.56-1,771,002.28-710,378.40

Finding the Fourth Proportional to 1,283,350.56, 1,771,002.28 and 710,378.40

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Solution

The fourth proportional to 1,283,350.56, 1,771,002.28 and 710,378.40 is: 980,310.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,350.56 : 1,771,002.28 = 710,378.40 : x
  2. Step 2: Convert to fraction form
    1,283,350.56/1,771,002.28 = 710,378.40/x
  3. Step 3: Cross multiply
    1,283,350.56x = 1,771,002.28 × 710,378.40
  4. Step 4: Simplify right side
    1,283,350.56x = 1,258,081,766,062.75
  5. Step 5: Solve for x
    x = 1,258,081,766,062.75/1,283,350.56
  6. Step 6: Final answer
    x = 980,310.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.