Home / 1,154,437.86-1,592,986.24-638,122.02

Finding the Fourth Proportional to 1,154,437.86, 1,592,986.24 and 638,122.02

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Solution

The fourth proportional to 1,154,437.86, 1,592,986.24 and 638,122.02 is: 880,532.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,437.86 : 1,592,986.24 = 638,122.02 : x
  2. Step 2: Convert to fraction form
    1,154,437.86/1,592,986.24 = 638,122.02/x
  3. Step 3: Cross multiply
    1,154,437.86x = 1,592,986.24 × 638,122.02
  4. Step 4: Simplify right side
    1,154,437.86x = 1,016,519,597,301.00
  5. Step 5: Solve for x
    x = 1,016,519,597,301.00/1,154,437.86
  6. Step 6: Final answer
    x = 880,532.10

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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.