Home / 1,005,176.05-1,508,045.55-406,557.70

Finding the Fourth Proportional to 1,005,176.05, 1,508,045.55 and 406,557.70

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Solution

The fourth proportional to 1,005,176.05, 1,508,045.55 and 406,557.70 is: 609,950.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,176.05 : 1,508,045.55 = 406,557.70 : x
  2. Step 2: Convert to fraction form
    1,005,176.05/1,508,045.55 = 406,557.70/x
  3. Step 3: Cross multiply
    1,005,176.05x = 1,508,045.55 × 406,557.70
  4. Step 4: Simplify right side
    1,005,176.05x = 613,107,530,303.24
  5. Step 5: Solve for x
    x = 613,107,530,303.24/1,005,176.05
  6. Step 6: Final answer
    x = 609,950.40

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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.