Home / 977,113.20-1,463,596.20-811,225.20

Finding the Fourth Proportional to 977,113.20, 1,463,596.20 and 811,225.20

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Solution

The fourth proportional to 977,113.20, 1,463,596.20 and 811,225.20 is: 1,215,116.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,113.20 : 1,463,596.20 = 811,225.20 : x
  2. Step 2: Convert to fraction form
    977,113.20/1,463,596.20 = 811,225.20/x
  3. Step 3: Cross multiply
    977,113.20x = 1,463,596.20 × 811,225.20
  4. Step 4: Simplify right side
    977,113.20x = 1,187,306,120,064.24
  5. Step 5: Solve for x
    x = 1,187,306,120,064.24/977,113.20
  6. Step 6: Final answer
    x = 1,215,116.24

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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.