Home / 1,110,937.40-1,666,406.10-1,012,959.80

Finding the Fourth Proportional to 1,110,937.40, 1,666,406.10 and 1,012,959.80

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Solution

The fourth proportional to 1,110,937.40, 1,666,406.10 and 1,012,959.80 is: 1,519,439.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,937.40 : 1,666,406.10 = 1,012,959.80 : x
  2. Step 2: Convert to fraction form
    1,110,937.40/1,666,406.10 = 1,012,959.80/x
  3. Step 3: Cross multiply
    1,110,937.40x = 1,666,406.10 × 1,012,959.80
  4. Step 4: Simplify right side
    1,110,937.40x = 1,688,002,389,774.78
  5. Step 5: Solve for x
    x = 1,688,002,389,774.78/1,110,937.40
  6. Step 6: Final answer
    x = 1,519,439.70

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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.