Home / 880,458.60-1,319,132.70-780,925.80

Finding the Fourth Proportional to 880,458.60, 1,319,132.70 and 780,925.80

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Solution

The fourth proportional to 880,458.60, 1,319,132.70 and 780,925.80 is: 1,170,009.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,458.60 : 1,319,132.70 = 780,925.80 : x
  2. Step 2: Convert to fraction form
    880,458.60/1,319,132.70 = 780,925.80/x
  3. Step 3: Cross multiply
    880,458.60x = 1,319,132.70 × 780,925.80
  4. Step 4: Simplify right side
    880,458.60x = 1,030,144,759,053.66
  5. Step 5: Solve for x
    x = 1,030,144,759,053.66/880,458.60
  6. Step 6: Final answer
    x = 1,170,009.31

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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.