Home / 1,045,559.82-1,440,184.08-739,109.19

Finding the Fourth Proportional to 1,045,559.82, 1,440,184.08 and 739,109.19

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Solution

The fourth proportional to 1,045,559.82, 1,440,184.08 and 739,109.19 is: 1,018,070.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,559.82 : 1,440,184.08 = 739,109.19 : x
  2. Step 2: Convert to fraction form
    1,045,559.82/1,440,184.08 = 739,109.19/x
  3. Step 3: Cross multiply
    1,045,559.82x = 1,440,184.08 × 739,109.19
  4. Step 4: Simplify right side
    1,045,559.82x = 1,064,453,288,819.70
  5. Step 5: Solve for x
    x = 1,064,453,288,819.70/1,045,559.82
  6. Step 6: Final answer
    x = 1,018,070.19

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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.