Home / 1,107,792.56-1,661,689.35-349,710.83

Finding the Fourth Proportional to 1,107,792.56, 1,661,689.35 and 349,710.83

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Solution

The fourth proportional to 1,107,792.56, 1,661,689.35 and 349,710.83 is: 524,566.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,792.56 : 1,661,689.35 = 349,710.83 : x
  2. Step 2: Convert to fraction form
    1,107,792.56/1,661,689.35 = 349,710.83/x
  3. Step 3: Cross multiply
    1,107,792.56x = 1,661,689.35 × 349,710.83
  4. Step 4: Simplify right side
    1,107,792.56x = 581,110,759,713.55
  5. Step 5: Solve for x
    x = 581,110,759,713.55/1,107,792.56
  6. Step 6: Final answer
    x = 524,566.40

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Double scale
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1.5x scale

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.