Home / 977,031.40-1,465,892.70-942,471.40

Finding the Fourth Proportional to 977,031.40, 1,465,892.70 and 942,471.40

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Solution

The fourth proportional to 977,031.40, 1,465,892.70 and 942,471.40 is: 1,414,040.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,031.40 : 1,465,892.70 = 942,471.40 : x
  2. Step 2: Convert to fraction form
    977,031.40/1,465,892.70 = 942,471.40/x
  3. Step 3: Cross multiply
    977,031.40x = 1,465,892.70 × 942,471.40
  4. Step 4: Simplify right side
    977,031.40x = 1,381,561,945,218.78
  5. Step 5: Solve for x
    x = 1,381,561,945,218.78/977,031.40
  6. Step 6: Final answer
    x = 1,414,040.48

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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.