Home / 1,695,019.38-2,339,143.86-920,657.70

Finding the Fourth Proportional to 1,695,019.38, 2,339,143.86 and 920,657.70

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Solution

The fourth proportional to 1,695,019.38, 2,339,143.86 and 920,657.70 is: 1,270,516.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695,019.38 : 2,339,143.86 = 920,657.70 : x
  2. Step 2: Convert to fraction form
    1,695,019.38/2,339,143.86 = 920,657.70/x
  3. Step 3: Cross multiply
    1,695,019.38x = 2,339,143.86 × 920,657.70
  4. Step 4: Simplify right side
    1,695,019.38x = 2,153,550,806,116.72
  5. Step 5: Solve for x
    x = 2,153,550,806,116.72/1,695,019.38
  6. Step 6: Final answer
    x = 1,270,516.92

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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.