Home / 781,729.60-1,056,164.40-781,729.60

Finding the Fourth Proportional to 781,729.60, 1,056,164.40 and 781,729.60

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Solution

The fourth proportional to 781,729.60, 1,056,164.40 and 781,729.60 is: 1,056,164.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,729.60 : 1,056,164.40 = 781,729.60 : x
  2. Step 2: Convert to fraction form
    781,729.60/1,056,164.40 = 781,729.60/x
  3. Step 3: Cross multiply
    781,729.60x = 1,056,164.40 × 781,729.60
  4. Step 4: Simplify right side
    781,729.60x = 825,634,973,946.24
  5. Step 5: Solve for x
    x = 825,634,973,946.24/781,729.60
  6. Step 6: Final answer
    x = 1,056,164.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.