Home / 1,108,618.10-1,663,364.55-434,584.70

Finding the Fourth Proportional to 1,108,618.10, 1,663,364.55 and 434,584.70

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Solution

The fourth proportional to 1,108,618.10, 1,663,364.55 and 434,584.70 is: 652,048.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,618.10 : 1,663,364.55 = 434,584.70 : x
  2. Step 2: Convert to fraction form
    1,108,618.10/1,663,364.55 = 434,584.70/x
  3. Step 3: Cross multiply
    1,108,618.10x = 1,663,364.55 × 434,584.70
  4. Step 4: Simplify right side
    1,108,618.10x = 722,872,783,952.39
  5. Step 5: Solve for x
    x = 722,872,783,952.39/1,108,618.10
  6. Step 6: Final answer
    x = 652,048.51

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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.