Home / 1,280,767.83-1,767,647.25-771,459.27

Finding the Fourth Proportional to 1,280,767.83, 1,767,647.25 and 771,459.27

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Solution

The fourth proportional to 1,280,767.83, 1,767,647.25 and 771,459.27 is: 1,064,726.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,767.83 : 1,767,647.25 = 771,459.27 : x
  2. Step 2: Convert to fraction form
    1,280,767.83/1,767,647.25 = 771,459.27/x
  3. Step 3: Cross multiply
    1,280,767.83x = 1,767,647.25 × 771,459.27
  4. Step 4: Simplify right side
    1,280,767.83x = 1,363,667,857,102.51
  5. Step 5: Solve for x
    x = 1,363,667,857,102.51/1,280,767.83
  6. Step 6: Final answer
    x = 1,064,726.82

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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.