Home / 1,102,353.08-1,521,413.70-672,883.16

Finding the Fourth Proportional to 1,102,353.08, 1,521,413.70 and 672,883.16

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Solution

The fourth proportional to 1,102,353.08, 1,521,413.70 and 672,883.16 is: 928,680.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,353.08 : 1,521,413.70 = 672,883.16 : x
  2. Step 2: Convert to fraction form
    1,102,353.08/1,521,413.70 = 672,883.16/x
  3. Step 3: Cross multiply
    1,102,353.08x = 1,521,413.70 × 672,883.16
  4. Step 4: Simplify right side
    1,102,353.08x = 1,023,733,658,123.29
  5. Step 5: Solve for x
    x = 1,023,733,658,123.29/1,102,353.08
  6. Step 6: Final answer
    x = 928,680.36

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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.