Home / 887,342.80-1,331,014.20-878,011.60

Finding the Fourth Proportional to 887,342.80, 1,331,014.20 and 878,011.60

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Solution

The fourth proportional to 887,342.80, 1,331,014.20 and 878,011.60 is: 1,317,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,342.80 : 1,331,014.20 = 878,011.60 : x
  2. Step 2: Convert to fraction form
    887,342.80/1,331,014.20 = 878,011.60/x
  3. Step 3: Cross multiply
    887,342.80x = 1,331,014.20 × 878,011.60
  4. Step 4: Simplify right side
    887,342.80x = 1,168,645,907,364.72
  5. Step 5: Solve for x
    x = 1,168,645,907,364.72/887,342.80
  6. Step 6: Final answer
    x = 1,317,017.40

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1.5x scale

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.