Home / 1,274,075.90-1,911,117.82-314,531.61

Finding the Fourth Proportional to 1,274,075.90, 1,911,117.82 and 314,531.61

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Solution

The fourth proportional to 1,274,075.90, 1,911,117.82 and 314,531.61 is: 471,798.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,075.90 : 1,911,117.82 = 314,531.61 : x
  2. Step 2: Convert to fraction form
    1,274,075.90/1,911,117.82 = 314,531.61/x
  3. Step 3: Cross multiply
    1,274,075.90x = 1,911,117.82 × 314,531.61
  4. Step 4: Simplify right side
    1,274,075.90x = 601,106,964,441.35
  5. Step 5: Solve for x
    x = 601,106,964,441.35/1,274,075.90
  6. Step 6: Final answer
    x = 471,798.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.