Home / 1,008,975.12-1,391,598.33-646,432.92

Finding the Fourth Proportional to 1,008,975.12, 1,391,598.33 and 646,432.92

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Solution

The fourth proportional to 1,008,975.12, 1,391,598.33 and 646,432.92 is: 891,573.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,975.12 : 1,391,598.33 = 646,432.92 : x
  2. Step 2: Convert to fraction form
    1,008,975.12/1,391,598.33 = 646,432.92/x
  3. Step 3: Cross multiply
    1,008,975.12x = 1,391,598.33 × 646,432.92
  4. Step 4: Simplify right side
    1,008,975.12x = 899,574,969,504.90
  5. Step 5: Solve for x
    x = 899,574,969,504.90/1,008,975.12
  6. Step 6: Final answer
    x = 891,573.00

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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.