Home / 780,045.60-1,170,068.40-727,557.60

Finding the Fourth Proportional to 780,045.60, 1,170,068.40 and 727,557.60

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Solution

The fourth proportional to 780,045.60, 1,170,068.40 and 727,557.60 is: 1,091,336.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,045.60 : 1,170,068.40 = 727,557.60 : x
  2. Step 2: Convert to fraction form
    780,045.60/1,170,068.40 = 727,557.60/x
  3. Step 3: Cross multiply
    780,045.60x = 1,170,068.40 × 727,557.60
  4. Step 4: Simplify right side
    780,045.60x = 851,292,156,939.84
  5. Step 5: Solve for x
    x = 851,292,156,939.84/780,045.60
  6. Step 6: Final answer
    x = 1,091,336.40

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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.