Home / 942,078.30-1,413,117.45-838,859.10

Finding the Fourth Proportional to 942,078.30, 1,413,117.45 and 838,859.10

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Solution

The fourth proportional to 942,078.30, 1,413,117.45 and 838,859.10 is: 1,258,288.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,078.30 : 1,413,117.45 = 838,859.10 : x
  2. Step 2: Convert to fraction form
    942,078.30/1,413,117.45 = 838,859.10/x
  3. Step 3: Cross multiply
    942,078.30x = 1,413,117.45 × 838,859.10
  4. Step 4: Simplify right side
    942,078.30x = 1,185,406,432,301.30
  5. Step 5: Solve for x
    x = 1,185,406,432,301.30/942,078.30
  6. Step 6: Final answer
    x = 1,258,288.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.