Home / 1,117,748.53-1,676,199.84-478,025.65

Finding the Fourth Proportional to 1,117,748.53, 1,676,199.84 and 478,025.65

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Solution

The fourth proportional to 1,117,748.53, 1,676,199.84 and 478,025.65 is: 716,857.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,748.53 : 1,676,199.84 = 478,025.65 : x
  2. Step 2: Convert to fraction form
    1,117,748.53/1,676,199.84 = 478,025.65/x
  3. Step 3: Cross multiply
    1,117,748.53x = 1,676,199.84 × 478,025.65
  4. Step 4: Simplify right side
    1,117,748.53x = 801,266,518,045.90
  5. Step 5: Solve for x
    x = 801,266,518,045.90/1,117,748.53
  6. Step 6: Final answer
    x = 716,857.59

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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.