Home / 977,091.40-1,465,982.70-942,531.40

Finding the Fourth Proportional to 977,091.40, 1,465,982.70 and 942,531.40

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Solution

The fourth proportional to 977,091.40, 1,465,982.70 and 942,531.40 is: 1,414,130.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,091.40 : 1,465,982.70 = 942,531.40 : x
  2. Step 2: Convert to fraction form
    977,091.40/1,465,982.70 = 942,531.40/x
  3. Step 3: Cross multiply
    977,091.40x = 1,465,982.70 × 942,531.40
  4. Step 4: Simplify right side
    977,091.40x = 1,381,734,726,606.78
  5. Step 5: Solve for x
    x = 1,381,734,726,606.78/977,091.40
  6. Step 6: Final answer
    x = 1,414,130.48

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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.