Home / 1,383,454.66-2,075,123.10-472,718.95

Finding the Fourth Proportional to 1,383,454.66, 2,075,123.10 and 472,718.95

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Solution

The fourth proportional to 1,383,454.66, 2,075,123.10 and 472,718.95 is: 709,058.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,454.66 : 2,075,123.10 = 472,718.95 : x
  2. Step 2: Convert to fraction form
    1,383,454.66/2,075,123.10 = 472,718.95/x
  3. Step 3: Cross multiply
    1,383,454.66x = 2,075,123.10 × 472,718.95
  4. Step 4: Simplify right side
    1,383,454.66x = 980,950,012,455.78
  5. Step 5: Solve for x
    x = 980,950,012,455.78/1,383,454.66
  6. Step 6: Final answer
    x = 709,058.30

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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.