Home / 1,127,296.35-1,554,963.07-740,131.74

Finding the Fourth Proportional to 1,127,296.35, 1,554,963.07 and 740,131.74

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Solution

The fourth proportional to 1,127,296.35, 1,554,963.07 and 740,131.74 is: 1,020,918.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,296.35 : 1,554,963.07 = 740,131.74 : x
  2. Step 2: Convert to fraction form
    1,127,296.35/1,554,963.07 = 740,131.74/x
  3. Step 3: Cross multiply
    1,127,296.35x = 1,554,963.07 × 740,131.74
  4. Step 4: Simplify right side
    1,127,296.35x = 1,150,877,518,934.18
  5. Step 5: Solve for x
    x = 1,150,877,518,934.18/1,127,296.35
  6. Step 6: Final answer
    x = 1,020,918.34

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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.