Home / 1,490,279.94-2,235,579.08-637,439.85

Finding the Fourth Proportional to 1,490,279.94, 2,235,579.08 and 637,439.85

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Solution

The fourth proportional to 1,490,279.94, 2,235,579.08 and 637,439.85 is: 956,227.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,279.94 : 2,235,579.08 = 637,439.85 : x
  2. Step 2: Convert to fraction form
    1,490,279.94/2,235,579.08 = 637,439.85/x
  3. Step 3: Cross multiply
    1,490,279.94x = 2,235,579.08 × 637,439.85
  4. Step 4: Simplify right side
    1,490,279.94x = 1,425,047,190,231.14
  5. Step 5: Solve for x
    x = 1,425,047,190,231.14/1,490,279.94
  6. Step 6: Final answer
    x = 956,227.85

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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.