Home / 1,200,740.32-1,657,034.72-656,864.44

Finding the Fourth Proportional to 1,200,740.32, 1,657,034.72 and 656,864.44

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Solution

The fourth proportional to 1,200,740.32, 1,657,034.72 and 656,864.44 is: 906,480.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,740.32 : 1,657,034.72 = 656,864.44 : x
  2. Step 2: Convert to fraction form
    1,200,740.32/1,657,034.72 = 656,864.44/x
  3. Step 3: Cross multiply
    1,200,740.32x = 1,657,034.72 × 656,864.44
  4. Step 4: Simplify right side
    1,200,740.32x = 1,088,447,183,413.36
  5. Step 5: Solve for x
    x = 1,088,447,183,413.36/1,200,740.32
  6. Step 6: Final answer
    x = 906,480.08

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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.