Home / 1,187,440.77-1,776,956.63-738,373.11

Finding the Fourth Proportional to 1,187,440.77, 1,776,956.63 and 738,373.11

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Solution

The fourth proportional to 1,187,440.77, 1,776,956.63 and 738,373.11 is: 1,104,945.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,440.77 : 1,776,956.63 = 738,373.11 : x
  2. Step 2: Convert to fraction form
    1,187,440.77/1,776,956.63 = 738,373.11/x
  3. Step 3: Cross multiply
    1,187,440.77x = 1,776,956.63 × 738,373.11
  4. Step 4: Simplify right side
    1,187,440.77x = 1,312,056,989,536.35
  5. Step 5: Solve for x
    x = 1,312,056,989,536.35/1,187,440.77
  6. Step 6: Final answer
    x = 1,104,945.21

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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.