Home / 1,318,569.16-1,819,661.22-745,695

Finding the Fourth Proportional to 1,318,569.16, 1,819,661.22 and 745,695

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Solution

The fourth proportional to 1,318,569.16, 1,819,661.22 and 745,695 is: 1,029,079.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,569.16 : 1,819,661.22 = 745,695 : x
  2. Step 2: Convert to fraction form
    1,318,569.16/1,819,661.22 = 745,695/x
  3. Step 3: Cross multiply
    1,318,569.16x = 1,819,661.22 × 745,695
  4. Step 4: Simplify right side
    1,318,569.16x = 1,356,912,273,447.90
  5. Step 5: Solve for x
    x = 1,356,912,273,447.90/1,318,569.16
  6. Step 6: Final answer
    x = 1,029,079.33

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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.