Home / 978,826.04-1,350,000.76-808,764.92

Finding the Fourth Proportional to 978,826.04, 1,350,000.76 and 808,764.92

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Solution

The fourth proportional to 978,826.04, 1,350,000.76 and 808,764.92 is: 1,115,451.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,826.04 : 1,350,000.76 = 808,764.92 : x
  2. Step 2: Convert to fraction form
    978,826.04/1,350,000.76 = 808,764.92/x
  3. Step 3: Cross multiply
    978,826.04x = 1,350,000.76 × 808,764.92
  4. Step 4: Simplify right side
    978,826.04x = 1,091,833,256,661.34
  5. Step 5: Solve for x
    x = 1,091,833,256,661.34/978,826.04
  6. Step 6: Final answer
    x = 1,115,451.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.