Home / 977,165.20-1,463,674.20-811,277.20

Finding the Fourth Proportional to 977,165.20, 1,463,674.20 and 811,277.20

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Solution

The fourth proportional to 977,165.20, 1,463,674.20 and 811,277.20 is: 1,215,194.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,165.20 : 1,463,674.20 = 811,277.20 : x
  2. Step 2: Convert to fraction form
    977,165.20/1,463,674.20 = 811,277.20/x
  3. Step 3: Cross multiply
    977,165.20x = 1,463,674.20 × 811,277.20
  4. Step 4: Simplify right side
    977,165.20x = 1,187,445,506,688.24
  5. Step 5: Solve for x
    x = 1,187,445,506,688.24/977,165.20
  6. Step 6: Final answer
    x = 1,215,194.22

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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.