Home / 1,148,860.86-1,718,491.32-807,280.35

Finding the Fourth Proportional to 1,148,860.86, 1,718,491.32 and 807,280.35

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Solution

The fourth proportional to 1,148,860.86, 1,718,491.32 and 807,280.35 is: 1,207,547.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,860.86 : 1,718,491.32 = 807,280.35 : x
  2. Step 2: Convert to fraction form
    1,148,860.86/1,718,491.32 = 807,280.35/x
  3. Step 3: Cross multiply
    1,148,860.86x = 1,718,491.32 × 807,280.35
  4. Step 4: Simplify right side
    1,148,860.86x = 1,387,304,274,281.56
  5. Step 5: Solve for x
    x = 1,387,304,274,281.56/1,148,860.86
  6. Step 6: Final answer
    x = 1,207,547.69

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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.