Home / 1,079,755.26-1,490,062.26-627,075.42

Finding the Fourth Proportional to 1,079,755.26, 1,490,062.26 and 627,075.42

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Solution

The fourth proportional to 1,079,755.26, 1,490,062.26 and 627,075.42 is: 865,364.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,755.26 : 1,490,062.26 = 627,075.42 : x
  2. Step 2: Convert to fraction form
    1,079,755.26/1,490,062.26 = 627,075.42/x
  3. Step 3: Cross multiply
    1,079,755.26x = 1,490,062.26 × 627,075.42
  4. Step 4: Simplify right side
    1,079,755.26x = 934,381,417,515.65
  5. Step 5: Solve for x
    x = 934,381,417,515.65/1,079,755.26
  6. Step 6: Final answer
    x = 865,364.08

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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.