Home / 1,026,402.24-1,539,421.92-278,506.56

Finding the Fourth Proportional to 1,026,402.24, 1,539,421.92 and 278,506.56

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Solution

The fourth proportional to 1,026,402.24, 1,539,421.92 and 278,506.56 is: 417,710.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,402.24 : 1,539,421.92 = 278,506.56 : x
  2. Step 2: Convert to fraction form
    1,026,402.24/1,539,421.92 = 278,506.56/x
  3. Step 3: Cross multiply
    1,026,402.24x = 1,539,421.92 × 278,506.56
  4. Step 4: Simplify right side
    1,026,402.24x = 428,739,103,327.80
  5. Step 5: Solve for x
    x = 428,739,103,327.80/1,026,402.24
  6. Step 6: Final answer
    x = 417,710.61

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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.