Home / 1,004,546.64-1,386,638.28-665,124.24

Finding the Fourth Proportional to 1,004,546.64, 1,386,638.28 and 665,124.24

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Solution

The fourth proportional to 1,004,546.64, 1,386,638.28 and 665,124.24 is: 918,112.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,546.64 : 1,386,638.28 = 665,124.24 : x
  2. Step 2: Convert to fraction form
    1,004,546.64/1,386,638.28 = 665,124.24/x
  3. Step 3: Cross multiply
    1,004,546.64x = 1,386,638.28 × 665,124.24
  4. Step 4: Simplify right side
    1,004,546.64x = 922,286,732,139.91
  5. Step 5: Solve for x
    x = 922,286,732,139.91/1,004,546.64
  6. Step 6: Final answer
    x = 918,112.41

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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.