Home / 1,242,214.20-1,859,384.70-887,920.20

Finding the Fourth Proportional to 1,242,214.20, 1,859,384.70 and 887,920.20

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Solution

The fourth proportional to 1,242,214.20, 1,859,384.70 and 887,920.20 is: 1,329,066.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,214.20 : 1,859,384.70 = 887,920.20 : x
  2. Step 2: Convert to fraction form
    1,242,214.20/1,859,384.70 = 887,920.20/x
  3. Step 3: Cross multiply
    1,242,214.20x = 1,859,384.70 × 887,920.20
  4. Step 4: Simplify right side
    1,242,214.20x = 1,650,985,234,700.94
  5. Step 5: Solve for x
    x = 1,650,985,234,700.94/1,242,214.20
  6. Step 6: Final answer
    x = 1,329,066.46

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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.