Home / 1,314,665.16-1,971,799.68-415,990.02

Finding the Fourth Proportional to 1,314,665.16, 1,971,799.68 and 415,990.02

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Solution

The fourth proportional to 1,314,665.16, 1,971,799.68 and 415,990.02 is: 623,922.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,665.16 : 1,971,799.68 = 415,990.02 : x
  2. Step 2: Convert to fraction form
    1,314,665.16/1,971,799.68 = 415,990.02/x
  3. Step 3: Cross multiply
    1,314,665.16x = 1,971,799.68 × 415,990.02
  4. Step 4: Simplify right side
    1,314,665.16x = 820,248,988,319.19
  5. Step 5: Solve for x
    x = 820,248,988,319.19/1,314,665.16
  6. Step 6: Final answer
    x = 623,922.36

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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.