Home / 1,276,498.50-1,915,075.89-477,791.52

Finding the Fourth Proportional to 1,276,498.50, 1,915,075.89 and 477,791.52

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Solution

The fourth proportional to 1,276,498.50, 1,915,075.89 and 477,791.52 is: 716,810.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,498.50 : 1,915,075.89 = 477,791.52 : x
  2. Step 2: Convert to fraction form
    1,276,498.50/1,915,075.89 = 477,791.52/x
  3. Step 3: Cross multiply
    1,276,498.50x = 1,915,075.89 × 477,791.52
  4. Step 4: Simplify right side
    1,276,498.50x = 915,007,020,398.45
  5. Step 5: Solve for x
    x = 915,007,020,398.45/1,276,498.50
  6. Step 6: Final answer
    x = 716,810.10

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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.