Home / 914,457.40-1,371,686.10-788,486.20

Finding the Fourth Proportional to 914,457.40, 1,371,686.10 and 788,486.20

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Solution

The fourth proportional to 914,457.40, 1,371,686.10 and 788,486.20 is: 1,182,729.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,457.40 : 1,371,686.10 = 788,486.20 : x
  2. Step 2: Convert to fraction form
    914,457.40/1,371,686.10 = 788,486.20/x
  3. Step 3: Cross multiply
    914,457.40x = 1,371,686.10 × 788,486.20
  4. Step 4: Simplify right side
    914,457.40x = 1,081,555,560,581.82
  5. Step 5: Solve for x
    x = 1,081,555,560,581.82/914,457.40
  6. Step 6: Final answer
    x = 1,182,729.30

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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.