Home / 1,085,078.16-1,497,165.48-649,427.76

Finding the Fourth Proportional to 1,085,078.16, 1,497,165.48 and 649,427.76

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Solution

The fourth proportional to 1,085,078.16, 1,497,165.48 and 649,427.76 is: 896,065.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,078.16 : 1,497,165.48 = 649,427.76 : x
  2. Step 2: Convert to fraction form
    1,085,078.16/1,497,165.48 = 649,427.76/x
  3. Step 3: Cross multiply
    1,085,078.16x = 1,497,165.48 × 649,427.76
  4. Step 4: Simplify right side
    1,085,078.16x = 972,300,824,025.73
  5. Step 5: Solve for x
    x = 972,300,824,025.73/1,085,078.16
  6. Step 6: Final answer
    x = 896,065.24

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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.