Home / 1,055,295.79-1,582,921.77-256,581.52

Finding the Fourth Proportional to 1,055,295.79, 1,582,921.77 and 256,581.52

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Solution

The fourth proportional to 1,055,295.79, 1,582,921.77 and 256,581.52 is: 384,866.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,295.79 : 1,582,921.77 = 256,581.52 : x
  2. Step 2: Convert to fraction form
    1,055,295.79/1,582,921.77 = 256,581.52/x
  3. Step 3: Cross multiply
    1,055,295.79x = 1,582,921.77 × 256,581.52
  4. Step 4: Simplify right side
    1,055,295.79x = 406,148,473,787.69
  5. Step 5: Solve for x
    x = 406,148,473,787.69/1,055,295.79
  6. Step 6: Final answer
    x = 384,866.95

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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.