Home / 1,107,564.80-1,662,124.80-476,931.20

Finding the Fourth Proportional to 1,107,564.80, 1,662,124.80 and 476,931.20

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Solution

The fourth proportional to 1,107,564.80, 1,662,124.80 and 476,931.20 is: 715,731.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,564.80 : 1,662,124.80 = 476,931.20 : x
  2. Step 2: Convert to fraction form
    1,107,564.80/1,662,124.80 = 476,931.20/x
  3. Step 3: Cross multiply
    1,107,564.80x = 1,662,124.80 × 476,931.20
  4. Step 4: Simplify right side
    1,107,564.80x = 792,719,175,413.76
  5. Step 5: Solve for x
    x = 792,719,175,413.76/1,107,564.80
  6. Step 6: Final answer
    x = 715,731.64

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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.