Home / 1,057,281.28-1,585,908.16-258,569.74

Finding the Fourth Proportional to 1,057,281.28, 1,585,908.16 and 258,569.74

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Solution

The fourth proportional to 1,057,281.28, 1,585,908.16 and 258,569.74 is: 387,851.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,281.28 : 1,585,908.16 = 258,569.74 : x
  2. Step 2: Convert to fraction form
    1,057,281.28/1,585,908.16 = 258,569.74/x
  3. Step 3: Cross multiply
    1,057,281.28x = 1,585,908.16 × 258,569.74
  4. Step 4: Simplify right side
    1,057,281.28x = 410,067,860,595.08
  5. Step 5: Solve for x
    x = 410,067,860,595.08/1,057,281.28
  6. Step 6: Final answer
    x = 387,851.24

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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.