Home / 1,555,498.65-2,333,247.99-490,623.78

Finding the Fourth Proportional to 1,555,498.65, 2,333,247.99 and 490,623.78

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Solution

The fourth proportional to 1,555,498.65, 2,333,247.99 and 490,623.78 is: 735,935.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,498.65 : 2,333,247.99 = 490,623.78 : x
  2. Step 2: Convert to fraction form
    1,555,498.65/2,333,247.99 = 490,623.78/x
  3. Step 3: Cross multiply
    1,555,498.65x = 2,333,247.99 × 490,623.78
  4. Step 4: Simplify right side
    1,555,498.65x = 1,144,746,948,531.20
  5. Step 5: Solve for x
    x = 1,144,746,948,531.20/1,555,498.65
  6. Step 6: Final answer
    x = 735,935.67

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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.