Home / 1,211,017.01-1,815,894.72-571,148.91

Finding the Fourth Proportional to 1,211,017.01, 1,815,894.72 and 571,148.91

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Solution

The fourth proportional to 1,211,017.01, 1,815,894.72 and 571,148.91 is: 856,425.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,017.01 : 1,815,894.72 = 571,148.91 : x
  2. Step 2: Convert to fraction form
    1,211,017.01/1,815,894.72 = 571,148.91/x
  3. Step 3: Cross multiply
    1,211,017.01x = 1,815,894.72 × 571,148.91
  4. Step 4: Simplify right side
    1,211,017.01x = 1,037,146,290,002.76
  5. Step 5: Solve for x
    x = 1,037,146,290,002.76/1,211,017.01
  6. Step 6: Final answer
    x = 856,425.87

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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.