Home / 1,261,282.92-1,740,554.10-771,088.74

Finding the Fourth Proportional to 1,261,282.92, 1,740,554.10 and 771,088.74

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Solution

The fourth proportional to 1,261,282.92, 1,740,554.10 and 771,088.74 is: 1,064,092.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,282.92 : 1,740,554.10 = 771,088.74 : x
  2. Step 2: Convert to fraction form
    1,261,282.92/1,740,554.10 = 771,088.74/x
  3. Step 3: Cross multiply
    1,261,282.92x = 1,740,554.10 × 771,088.74
  4. Step 4: Simplify right side
    1,261,282.92x = 1,342,121,667,870.83
  5. Step 5: Solve for x
    x = 1,342,121,667,870.83/1,261,282.92
  6. Step 6: Final answer
    x = 1,064,092.48

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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.