Home / 1,145,426.88-1,580,499.40-662,037.12

Finding the Fourth Proportional to 1,145,426.88, 1,580,499.40 and 662,037.12

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Solution

The fourth proportional to 1,145,426.88, 1,580,499.40 and 662,037.12 is: 913,501.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,426.88 : 1,580,499.40 = 662,037.12 : x
  2. Step 2: Convert to fraction form
    1,145,426.88/1,580,499.40 = 662,037.12/x
  3. Step 3: Cross multiply
    1,145,426.88x = 1,580,499.40 × 662,037.12
  4. Step 4: Simplify right side
    1,145,426.88x = 1,046,349,270,937.73
  5. Step 5: Solve for x
    x = 1,046,349,270,937.73/1,145,426.88
  6. Step 6: Final answer
    x = 913,501.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.