Home / 1,418,397-2,127,590.64-353,439.80

Finding the Fourth Proportional to 1,418,397, 2,127,590.64 and 353,439.80

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Solution

The fourth proportional to 1,418,397, 2,127,590.64 and 353,439.80 is: 530,158.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,397 : 2,127,590.64 = 353,439.80 : x
  2. Step 2: Convert to fraction form
    1,418,397/2,127,590.64 = 353,439.80/x
  3. Step 3: Cross multiply
    1,418,397x = 2,127,590.64 × 353,439.80
  4. Step 4: Simplify right side
    1,418,397x = 751,975,210,283.47
  5. Step 5: Solve for x
    x = 751,975,210,283.47/1,418,397
  6. Step 6: Final answer
    x = 530,158.49

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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.