Home / 1,283,358.56-1,771,013.28-710,386.40

Finding the Fourth Proportional to 1,283,358.56, 1,771,013.28 and 710,386.40

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Solution

The fourth proportional to 1,283,358.56, 1,771,013.28 and 710,386.40 is: 980,321.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,358.56 : 1,771,013.28 = 710,386.40 : x
  2. Step 2: Convert to fraction form
    1,283,358.56/1,771,013.28 = 710,386.40/x
  3. Step 3: Cross multiply
    1,283,358.56x = 1,771,013.28 × 710,386.40
  4. Step 4: Simplify right side
    1,283,358.56x = 1,258,103,748,331.39
  5. Step 5: Solve for x
    x = 1,258,103,748,331.39/1,283,358.56
  6. Step 6: Final answer
    x = 980,321.31

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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.