Home / 1,187,657.64-1,637,909.30-926,077.79

Finding the Fourth Proportional to 1,187,657.64, 1,637,909.30 and 926,077.79

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Solution

The fourth proportional to 1,187,657.64, 1,637,909.30 and 926,077.79 is: 1,277,162.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,657.64 : 1,637,909.30 = 926,077.79 : x
  2. Step 2: Convert to fraction form
    1,187,657.64/1,637,909.30 = 926,077.79/x
  3. Step 3: Cross multiply
    1,187,657.64x = 1,637,909.30 × 926,077.79
  4. Step 4: Simplify right side
    1,187,657.64x = 1,516,831,431,174.41
  5. Step 5: Solve for x
    x = 1,516,831,431,174.41/1,187,657.64
  6. Step 6: Final answer
    x = 1,277,162.19

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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.