Home / 1,508,281.20-2,262,421.80-1,242,560.70

Finding the Fourth Proportional to 1,508,281.20, 2,262,421.80 and 1,242,560.70

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Solution

The fourth proportional to 1,508,281.20, 2,262,421.80 and 1,242,560.70 is: 1,863,841.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,281.20 : 2,262,421.80 = 1,242,560.70 : x
  2. Step 2: Convert to fraction form
    1,508,281.20/2,262,421.80 = 1,242,560.70/x
  3. Step 3: Cross multiply
    1,508,281.20x = 2,262,421.80 × 1,242,560.70
  4. Step 4: Simplify right side
    1,508,281.20x = 2,811,196,415,503.26
  5. Step 5: Solve for x
    x = 2,811,196,415,503.26/1,508,281.20
  6. Step 6: Final answer
    x = 1,863,841.05

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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.