Home / 1,258,732.80-1,739,260.80-1,006,168.32

Finding the Fourth Proportional to 1,258,732.80, 1,739,260.80 and 1,006,168.32

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Solution

The fourth proportional to 1,258,732.80, 1,739,260.80 and 1,006,168.32 is: 1,390,278.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,732.80 : 1,739,260.80 = 1,006,168.32 : x
  2. Step 2: Convert to fraction form
    1,258,732.80/1,739,260.80 = 1,006,168.32/x
  3. Step 3: Cross multiply
    1,258,732.80x = 1,739,260.80 × 1,006,168.32
  4. Step 4: Simplify right side
    1,258,732.80x = 1,749,989,117,177.86
  5. Step 5: Solve for x
    x = 1,749,989,117,177.86/1,258,732.80
  6. Step 6: Final answer
    x = 1,390,278.47

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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.