Home / 1,132,440.48-1,698,605.04-422,413.92

Finding the Fourth Proportional to 1,132,440.48, 1,698,605.04 and 422,413.92

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Solution

The fourth proportional to 1,132,440.48, 1,698,605.04 and 422,413.92 is: 633,600.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,440.48 : 1,698,605.04 = 422,413.92 : x
  2. Step 2: Convert to fraction form
    1,132,440.48/1,698,605.04 = 422,413.92/x
  3. Step 3: Cross multiply
    1,132,440.48x = 1,698,605.04 × 422,413.92
  4. Step 4: Simplify right side
    1,132,440.48x = 717,514,413,478.16
  5. Step 5: Solve for x
    x = 717,514,413,478.16/1,132,440.48
  6. Step 6: Final answer
    x = 633,600.11

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1.5x scale

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.