Home / 971,075.52-1,449,422.64-911,239.20

Finding the Fourth Proportional to 971,075.52, 1,449,422.64 and 911,239.20

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Solution

The fourth proportional to 971,075.52, 1,449,422.64 and 911,239.20 is: 1,360,111.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,075.52 : 1,449,422.64 = 911,239.20 : x
  2. Step 2: Convert to fraction form
    971,075.52/1,449,422.64 = 911,239.20/x
  3. Step 3: Cross multiply
    971,075.52x = 1,449,422.64 × 911,239.20
  4. Step 4: Simplify right side
    971,075.52x = 1,320,770,726,935.49
  5. Step 5: Solve for x
    x = 1,320,770,726,935.49/971,075.52
  6. Step 6: Final answer
    x = 1,360,111.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.