Home / 1,416,663.32-1,955,019.48-772,118.88

Finding the Fourth Proportional to 1,416,663.32, 1,955,019.48 and 772,118.88

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Solution

The fourth proportional to 1,416,663.32, 1,955,019.48 and 772,118.88 is: 1,065,537.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,663.32 : 1,955,019.48 = 772,118.88 : x
  2. Step 2: Convert to fraction form
    1,416,663.32/1,955,019.48 = 772,118.88/x
  3. Step 3: Cross multiply
    1,416,663.32x = 1,955,019.48 × 772,118.88
  4. Step 4: Simplify right side
    1,416,663.32x = 1,509,507,451,275.78
  5. Step 5: Solve for x
    x = 1,509,507,451,275.78/1,416,663.32
  6. Step 6: Final answer
    x = 1,065,537.19

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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.