Home / 1,378,844.07-1,902,585.02-834,886.95

Finding the Fourth Proportional to 1,378,844.07, 1,902,585.02 and 834,886.95

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Solution

The fourth proportional to 1,378,844.07, 1,902,585.02 and 834,886.95 is: 1,152,010.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,844.07 : 1,902,585.02 = 834,886.95 : x
  2. Step 2: Convert to fraction form
    1,378,844.07/1,902,585.02 = 834,886.95/x
  3. Step 3: Cross multiply
    1,378,844.07x = 1,902,585.02 × 834,886.95
  4. Step 4: Simplify right side
    1,378,844.07x = 1,588,443,400,289.05
  5. Step 5: Solve for x
    x = 1,588,443,400,289.05/1,378,844.07
  6. Step 6: Final answer
    x = 1,152,010.90

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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.