Home / 872,555.60-1,308,833.40-715,091.60

Finding the Fourth Proportional to 872,555.60, 1,308,833.40 and 715,091.60

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Solution

The fourth proportional to 872,555.60, 1,308,833.40 and 715,091.60 is: 1,072,637.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,555.60 : 1,308,833.40 = 715,091.60 : x
  2. Step 2: Convert to fraction form
    872,555.60/1,308,833.40 = 715,091.60/x
  3. Step 3: Cross multiply
    872,555.60x = 1,308,833.40 × 715,091.60
  4. Step 4: Simplify right side
    872,555.60x = 935,935,770,139.44
  5. Step 5: Solve for x
    x = 935,935,770,139.44/872,555.60
  6. Step 6: Final answer
    x = 1,072,637.40

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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.