Home / 1,283,724.90-1,771,595.71-710,765.06

Finding the Fourth Proportional to 1,283,724.90, 1,771,595.71 and 710,765.06

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Solution

The fourth proportional to 1,283,724.90, 1,771,595.71 and 710,765.06 is: 980,886.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,724.90 : 1,771,595.71 = 710,765.06 : x
  2. Step 2: Convert to fraction form
    1,283,724.90/1,771,595.71 = 710,765.06/x
  3. Step 3: Cross multiply
    1,283,724.90x = 1,771,595.71 × 710,765.06
  4. Step 4: Simplify right side
    1,283,724.90x = 1,259,188,331,113.89
  5. Step 5: Solve for x
    x = 1,259,188,331,113.89/1,283,724.90
  6. Step 6: Final answer
    x = 980,886.43

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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.