Home / 1,147,647.40-1,719,502.80-547,315.90

Finding the Fourth Proportional to 1,147,647.40, 1,719,502.80 and 547,315.90

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Solution

The fourth proportional to 1,147,647.40, 1,719,502.80 and 547,315.90 is: 820,035.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,647.40 : 1,719,502.80 = 547,315.90 : x
  2. Step 2: Convert to fraction form
    1,147,647.40/1,719,502.80 = 547,315.90/x
  3. Step 3: Cross multiply
    1,147,647.40x = 1,719,502.80 × 547,315.90
  4. Step 4: Simplify right side
    1,147,647.40x = 941,111,222,534.52
  5. Step 5: Solve for x
    x = 941,111,222,534.52/1,147,647.40
  6. Step 6: Final answer
    x = 820,035.16

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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.