Home / 1,478,400.60-2,217,600.90-973,531.65

Finding the Fourth Proportional to 1,478,400.60, 2,217,600.90 and 973,531.65

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Solution

The fourth proportional to 1,478,400.60, 2,217,600.90 and 973,531.65 is: 1,460,297.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,400.60 : 2,217,600.90 = 973,531.65 : x
  2. Step 2: Convert to fraction form
    1,478,400.60/2,217,600.90 = 973,531.65/x
  3. Step 3: Cross multiply
    1,478,400.60x = 2,217,600.90 × 973,531.65
  4. Step 4: Simplify right side
    1,478,400.60x = 2,158,904,663,218.49
  5. Step 5: Solve for x
    x = 2,158,904,663,218.49/1,478,400.60
  6. Step 6: Final answer
    x = 1,460,297.48

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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.