Home / 1,247,901.94-1,872,048.75-538,131.70

Finding the Fourth Proportional to 1,247,901.94, 1,872,048.75 and 538,131.70

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Solution

The fourth proportional to 1,247,901.94, 1,872,048.75 and 538,131.70 is: 807,282.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,901.94 : 1,872,048.75 = 538,131.70 : x
  2. Step 2: Convert to fraction form
    1,247,901.94/1,872,048.75 = 538,131.70/x
  3. Step 3: Cross multiply
    1,247,901.94x = 1,872,048.75 × 538,131.70
  4. Step 4: Simplify right side
    1,247,901.94x = 1,007,408,776,320.37
  5. Step 5: Solve for x
    x = 1,007,408,776,320.37/1,247,901.94
  6. Step 6: Final answer
    x = 807,282.00

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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.