Home / 1,510,306.81-2,265,212.40-415,836.31

Finding the Fourth Proportional to 1,510,306.81, 2,265,212.40 and 415,836.31

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Solution

The fourth proportional to 1,510,306.81, 2,265,212.40 and 415,836.31 is: 623,686.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,306.81 : 2,265,212.40 = 415,836.31 : x
  2. Step 2: Convert to fraction form
    1,510,306.81/2,265,212.40 = 415,836.31/x
  3. Step 3: Cross multiply
    1,510,306.81x = 2,265,212.40 × 415,836.31
  4. Step 4: Simplify right side
    1,510,306.81x = 941,957,565,782.24
  5. Step 5: Solve for x
    x = 941,957,565,782.24/1,510,306.81
  6. Step 6: Final answer
    x = 623,686.23

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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.