Home / 1,383,490.02-2,075,298.66-423,876.90

Finding the Fourth Proportional to 1,383,490.02, 2,075,298.66 and 423,876.90

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Solution

The fourth proportional to 1,383,490.02, 2,075,298.66 and 423,876.90 is: 635,834.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,490.02 : 2,075,298.66 = 423,876.90 : x
  2. Step 2: Convert to fraction form
    1,383,490.02/2,075,298.66 = 423,876.90/x
  3. Step 3: Cross multiply
    1,383,490.02x = 2,075,298.66 × 423,876.90
  4. Step 4: Simplify right side
    1,383,490.02x = 879,671,162,574.95
  5. Step 5: Solve for x
    x = 879,671,162,574.95/1,383,490.02
  6. Step 6: Final answer
    x = 635,834.85

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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.