Home / 1,383,490.08-2,075,298.72-423,876.96

Finding the Fourth Proportional to 1,383,490.08, 2,075,298.72 and 423,876.96

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Solution

The fourth proportional to 1,383,490.08, 2,075,298.72 and 423,876.96 is: 635,834.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,490.08 : 2,075,298.72 = 423,876.96 : x
  2. Step 2: Convert to fraction form
    1,383,490.08/2,075,298.72 = 423,876.96/x
  3. Step 3: Cross multiply
    1,383,490.08x = 2,075,298.72 × 423,876.96
  4. Step 4: Simplify right side
    1,383,490.08x = 879,671,312,525.49
  5. Step 5: Solve for x
    x = 879,671,312,525.49/1,383,490.08
  6. Step 6: Final answer
    x = 635,834.93

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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.