Home / 1,353,306.85-2,030,413.47-442,531.32

Finding the Fourth Proportional to 1,353,306.85, 2,030,413.47 and 442,531.32

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Solution

The fourth proportional to 1,353,306.85, 2,030,413.47 and 442,531.32 is: 663,945.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,306.85 : 2,030,413.47 = 442,531.32 : x
  2. Step 2: Convert to fraction form
    1,353,306.85/2,030,413.47 = 442,531.32/x
  3. Step 3: Cross multiply
    1,353,306.85x = 2,030,413.47 × 442,531.32
  4. Step 4: Simplify right side
    1,353,306.85x = 898,521,540,660.16
  5. Step 5: Solve for x
    x = 898,521,540,660.16/1,353,306.85
  6. Step 6: Final answer
    x = 663,945.17

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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.