Home / 1,438,598.27-2,157,878.61-413,955.29

Finding the Fourth Proportional to 1,438,598.27, 2,157,878.61 and 413,955.29

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Solution

The fourth proportional to 1,438,598.27, 2,157,878.61 and 413,955.29 is: 620,927.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,598.27 : 2,157,878.61 = 413,955.29 : x
  2. Step 2: Convert to fraction form
    1,438,598.27/2,157,878.61 = 413,955.29/x
  3. Step 3: Cross multiply
    1,438,598.27x = 2,157,878.61 × 413,955.29
  4. Step 4: Simplify right side
    1,438,598.27x = 893,265,271,182.04
  5. Step 5: Solve for x
    x = 893,265,271,182.04/1,438,598.27
  6. Step 6: Final answer
    x = 620,927.53

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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.