Home / 1,406,971.12-2,110,457.52-988,116.88

Finding the Fourth Proportional to 1,406,971.12, 2,110,457.52 and 988,116.88

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Solution

The fourth proportional to 1,406,971.12, 2,110,457.52 and 988,116.88 is: 1,482,175.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,971.12 : 2,110,457.52 = 988,116.88 : x
  2. Step 2: Convert to fraction form
    1,406,971.12/2,110,457.52 = 988,116.88/x
  3. Step 3: Cross multiply
    1,406,971.12x = 2,110,457.52 × 988,116.88
  4. Step 4: Simplify right side
    1,406,971.12x = 2,085,378,700,034.94
  5. Step 5: Solve for x
    x = 2,085,378,700,034.94/1,406,971.12
  6. Step 6: Final answer
    x = 1,482,175.91

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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.