Home / 1,243,354.56-1,865,031.57-889,060.56

Finding the Fourth Proportional to 1,243,354.56, 1,865,031.57 and 889,060.56

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Solution

The fourth proportional to 1,243,354.56, 1,865,031.57 and 889,060.56 is: 1,333,590.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,354.56 : 1,865,031.57 = 889,060.56 : x
  2. Step 2: Convert to fraction form
    1,243,354.56/1,865,031.57 = 889,060.56/x
  3. Step 3: Cross multiply
    1,243,354.56x = 1,865,031.57 × 889,060.56
  4. Step 4: Simplify right side
    1,243,354.56x = 1,658,126,012,041.88
  5. Step 5: Solve for x
    x = 1,658,126,012,041.88/1,243,354.56
  6. Step 6: Final answer
    x = 1,333,590.65

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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.