Home / 1,108,352-1,529,612.42-618,475.55

Finding the Fourth Proportional to 1,108,352, 1,529,612.42 and 618,475.55

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Solution

The fourth proportional to 1,108,352, 1,529,612.42 and 618,475.55 is: 853,544.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,352 : 1,529,612.42 = 618,475.55 : x
  2. Step 2: Convert to fraction form
    1,108,352/1,529,612.42 = 618,475.55/x
  3. Step 3: Cross multiply
    1,108,352x = 1,529,612.42 × 618,475.55
  4. Step 4: Simplify right side
    1,108,352x = 946,027,875,098.27
  5. Step 5: Solve for x
    x = 946,027,875,098.27/1,108,352
  6. Step 6: Final answer
    x = 853,544.61

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1.5x scale

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.