Home / 1,252,270.88-1,878,712.04-399,342.55

Finding the Fourth Proportional to 1,252,270.88, 1,878,712.04 and 399,342.55

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Solution

The fourth proportional to 1,252,270.88, 1,878,712.04 and 399,342.55 is: 599,111.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,270.88 : 1,878,712.04 = 399,342.55 : x
  2. Step 2: Convert to fraction form
    1,252,270.88/1,878,712.04 = 399,342.55/x
  3. Step 3: Cross multiply
    1,252,270.88x = 1,878,712.04 × 399,342.55
  4. Step 4: Simplify right side
    1,252,270.88x = 750,249,650,075.81
  5. Step 5: Solve for x
    x = 750,249,650,075.81/1,252,270.88
  6. Step 6: Final answer
    x = 599,111.31

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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.