Home / 1,604,386.28-2,215,059.54-1,032,420.44

Finding the Fourth Proportional to 1,604,386.28, 2,215,059.54 and 1,032,420.44

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Solution

The fourth proportional to 1,604,386.28, 2,215,059.54 and 1,032,420.44 is: 1,425,387.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604,386.28 : 2,215,059.54 = 1,032,420.44 : x
  2. Step 2: Convert to fraction form
    1,604,386.28/2,215,059.54 = 1,032,420.44/x
  3. Step 3: Cross multiply
    1,604,386.28x = 2,215,059.54 × 1,032,420.44
  4. Step 4: Simplify right side
    1,604,386.28x = 2,286,872,744,913.00
  5. Step 5: Solve for x
    x = 2,286,872,744,913.00/1,604,386.28
  6. Step 6: Final answer
    x = 1,425,387.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.