Home / 1,377,256.80-2,066,176.80-417,633.60

Finding the Fourth Proportional to 1,377,256.80, 2,066,176.80 and 417,633.60

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Solution

The fourth proportional to 1,377,256.80, 2,066,176.80 and 417,633.60 is: 626,538.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,256.80 : 2,066,176.80 = 417,633.60 : x
  2. Step 2: Convert to fraction form
    1,377,256.80/2,066,176.80 = 417,633.60/x
  3. Step 3: Cross multiply
    1,377,256.80x = 2,066,176.80 × 417,633.60
  4. Step 4: Simplify right side
    1,377,256.80x = 862,904,855,220.48
  5. Step 5: Solve for x
    x = 862,904,855,220.48/1,377,256.80
  6. Step 6: Final answer
    x = 626,538.82

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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.