Home / 1,416,981.62-1,955,418.71-772,387.67

Finding the Fourth Proportional to 1,416,981.62, 1,955,418.71 and 772,387.67

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Solution

The fourth proportional to 1,416,981.62, 1,955,418.71 and 772,387.67 is: 1,065,886.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,981.62 : 1,955,418.71 = 772,387.67 : x
  2. Step 2: Convert to fraction form
    1,416,981.62/1,955,418.71 = 772,387.67/x
  3. Step 3: Cross multiply
    1,416,981.62x = 1,955,418.71 × 772,387.67
  4. Step 4: Simplify right side
    1,416,981.62x = 1,510,341,291,514.21
  5. Step 5: Solve for x
    x = 1,510,341,291,514.21/1,416,981.62
  6. Step 6: Final answer
    x = 1,065,886.30

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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.