Home / 1,142,456.30-1,713,339.02-343,525.76

Finding the Fourth Proportional to 1,142,456.30, 1,713,339.02 and 343,525.76

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Solution

The fourth proportional to 1,142,456.30, 1,713,339.02 and 343,525.76 is: 515,184.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,456.30 : 1,713,339.02 = 343,525.76 : x
  2. Step 2: Convert to fraction form
    1,142,456.30/1,713,339.02 = 343,525.76/x
  3. Step 3: Cross multiply
    1,142,456.30x = 1,713,339.02 × 343,525.76
  4. Step 4: Simplify right side
    1,142,456.30x = 588,576,088,983.16
  5. Step 5: Solve for x
    x = 588,576,088,983.16/1,142,456.30
  6. Step 6: Final answer
    x = 515,184.77

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1.5x scale

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.