Home / 1,004,522.64-1,386,605.16-665,100.24

Finding the Fourth Proportional to 1,004,522.64, 1,386,605.16 and 665,100.24

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Solution

The fourth proportional to 1,004,522.64, 1,386,605.16 and 665,100.24 is: 918,079.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,522.64 : 1,386,605.16 = 665,100.24 : x
  2. Step 2: Convert to fraction form
    1,004,522.64/1,386,605.16 = 665,100.24/x
  3. Step 3: Cross multiply
    1,004,522.64x = 1,386,605.16 × 665,100.24
  4. Step 4: Simplify right side
    1,004,522.64x = 922,231,424,701.24
  5. Step 5: Solve for x
    x = 922,231,424,701.24/1,004,522.64
  6. Step 6: Final answer
    x = 918,079.28

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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.