Home / 1,277,335.35-1,913,834.09-770,832.02

Finding the Fourth Proportional to 1,277,335.35, 1,913,834.09 and 770,832.02

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Solution

The fourth proportional to 1,277,335.35, 1,913,834.09 and 770,832.02 is: 1,154,939.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,335.35 : 1,913,834.09 = 770,832.02 : x
  2. Step 2: Convert to fraction form
    1,277,335.35/1,913,834.09 = 770,832.02/x
  3. Step 3: Cross multiply
    1,277,335.35x = 1,913,834.09 × 770,832.02
  4. Step 4: Simplify right side
    1,277,335.35x = 1,475,244,584,116.23
  5. Step 5: Solve for x
    x = 1,475,244,584,116.23/1,277,335.35
  6. Step 6: Final answer
    x = 1,154,939.13

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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.