Home / 977,130.20-1,465,695.30-819,666.20

Finding the Fourth Proportional to 977,130.20, 1,465,695.30 and 819,666.20

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Solution

The fourth proportional to 977,130.20, 1,465,695.30 and 819,666.20 is: 1,229,499.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,130.20 : 1,465,695.30 = 819,666.20 : x
  2. Step 2: Convert to fraction form
    977,130.20/1,465,695.30 = 819,666.20/x
  3. Step 3: Cross multiply
    977,130.20x = 1,465,695.30 × 819,666.20
  4. Step 4: Simplify right side
    977,130.20x = 1,201,380,896,908.86
  5. Step 5: Solve for x
    x = 1,201,380,896,908.86/977,130.20
  6. Step 6: Final answer
    x = 1,229,499.30

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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.