Home / 1,447,681.57-2,170,110.03-689,319.34

Finding the Fourth Proportional to 1,447,681.57, 2,170,110.03 and 689,319.34

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Solution

The fourth proportional to 1,447,681.57, 2,170,110.03 and 689,319.34 is: 1,033,306.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,681.57 : 2,170,110.03 = 689,319.34 : x
  2. Step 2: Convert to fraction form
    1,447,681.57/2,170,110.03 = 689,319.34/x
  3. Step 3: Cross multiply
    1,447,681.57x = 2,170,110.03 × 689,319.34
  4. Step 4: Simplify right side
    1,447,681.57x = 1,495,898,813,606.98
  5. Step 5: Solve for x
    x = 1,495,898,813,606.98/1,447,681.57
  6. Step 6: Final answer
    x = 1,033,306.53

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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.