Home / 1,007,291.17-1,510,995.98-287,577.55

Finding the Fourth Proportional to 1,007,291.17, 1,510,995.98 and 287,577.55

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Solution

The fourth proportional to 1,007,291.17, 1,510,995.98 and 287,577.55 is: 431,383.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,291.17 : 1,510,995.98 = 287,577.55 : x
  2. Step 2: Convert to fraction form
    1,007,291.17/1,510,995.98 = 287,577.55/x
  3. Step 3: Cross multiply
    1,007,291.17x = 1,510,995.98 × 287,577.55
  4. Step 4: Simplify right side
    1,007,291.17x = 434,528,521,988.25
  5. Step 5: Solve for x
    x = 434,528,521,988.25/1,007,291.17
  6. Step 6: Final answer
    x = 431,383.23

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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.