Home / 977,797.20-1,464,622.20-811,909.20

Finding the Fourth Proportional to 977,797.20, 1,464,622.20 and 811,909.20

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Solution

The fourth proportional to 977,797.20, 1,464,622.20 and 811,909.20 is: 1,216,142.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,797.20 : 1,464,622.20 = 811,909.20 : x
  2. Step 2: Convert to fraction form
    977,797.20/1,464,622.20 = 811,909.20/x
  3. Step 3: Cross multiply
    977,797.20x = 1,464,622.20 × 811,909.20
  4. Step 4: Simplify right side
    977,797.20x = 1,189,140,238,704.24
  5. Step 5: Solve for x
    x = 1,189,140,238,704.24/977,797.20
  6. Step 6: Final answer
    x = 1,216,142.00

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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.