Home / 1,145,807.80-1,719,413.70-472,211.80

Finding the Fourth Proportional to 1,145,807.80, 1,719,413.70 and 472,211.80

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Solution

The fourth proportional to 1,145,807.80, 1,719,413.70 and 472,211.80 is: 708,607.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,807.80 : 1,719,413.70 = 472,211.80 : x
  2. Step 2: Convert to fraction form
    1,145,807.80/1,719,413.70 = 472,211.80/x
  3. Step 3: Cross multiply
    1,145,807.80x = 1,719,413.70 × 472,211.80
  4. Step 4: Simplify right side
    1,145,807.80x = 811,927,438,221.66
  5. Step 5: Solve for x
    x = 811,927,438,221.66/1,145,807.80
  6. Step 6: Final answer
    x = 708,607.01

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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.