Home / 1,001,161.88-1,381,222.02-740,143.93

Finding the Fourth Proportional to 1,001,161.88, 1,381,222.02 and 740,143.93

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Solution

The fourth proportional to 1,001,161.88, 1,381,222.02 and 740,143.93 is: 1,021,116.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,161.88 : 1,381,222.02 = 740,143.93 : x
  2. Step 2: Convert to fraction form
    1,001,161.88/1,381,222.02 = 740,143.93/x
  3. Step 3: Cross multiply
    1,001,161.88x = 1,381,222.02 × 740,143.93
  4. Step 4: Simplify right side
    1,001,161.88x = 1,022,303,094,085.34
  5. Step 5: Solve for x
    x = 1,022,303,094,085.34/1,001,161.88
  6. Step 6: Final answer
    x = 1,021,116.68

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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.