Home / 1,026,407.24-1,539,429.42-278,511.56

Finding the Fourth Proportional to 1,026,407.24, 1,539,429.42 and 278,511.56

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Solution

The fourth proportional to 1,026,407.24, 1,539,429.42 and 278,511.56 is: 417,718.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,407.24 : 1,539,429.42 = 278,511.56 : x
  2. Step 2: Convert to fraction form
    1,026,407.24/1,539,429.42 = 278,511.56/x
  3. Step 3: Cross multiply
    1,026,407.24x = 1,539,429.42 × 278,511.56
  4. Step 4: Simplify right side
    1,026,407.24x = 428,748,889,274.10
  5. Step 5: Solve for x
    x = 428,748,889,274.10/1,026,407.24
  6. Step 6: Final answer
    x = 417,718.11

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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.