Home / 1,078,492.91-1,488,859.52-670,726.08

Finding the Fourth Proportional to 1,078,492.91, 1,488,859.52 and 670,726.08

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Solution

The fourth proportional to 1,078,492.91, 1,488,859.52 and 670,726.08 is: 925,937.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,492.91 : 1,488,859.52 = 670,726.08 : x
  2. Step 2: Convert to fraction form
    1,078,492.91/1,488,859.52 = 670,726.08/x
  3. Step 3: Cross multiply
    1,078,492.91x = 1,488,859.52 × 670,726.08
  4. Step 4: Simplify right side
    1,078,492.91x = 998,616,906,166.65
  5. Step 5: Solve for x
    x = 998,616,906,166.65/1,078,492.91
  6. Step 6: Final answer
    x = 925,937.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.