Home / 1,120,075.88-1,545,648.72-636,577.16

Finding the Fourth Proportional to 1,120,075.88, 1,545,648.72 and 636,577.16

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Solution

The fourth proportional to 1,120,075.88, 1,545,648.72 and 636,577.16 is: 878,444.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,075.88 : 1,545,648.72 = 636,577.16 : x
  2. Step 2: Convert to fraction form
    1,120,075.88/1,545,648.72 = 636,577.16/x
  3. Step 3: Cross multiply
    1,120,075.88x = 1,545,648.72 × 636,577.16
  4. Step 4: Simplify right side
    1,120,075.88x = 983,924,672,535.24
  5. Step 5: Solve for x
    x = 983,924,672,535.24/1,120,075.88
  6. Step 6: Final answer
    x = 878,444.66

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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.