Home / 1,486,281.80-2,229,422.70-1,038,384.20

Finding the Fourth Proportional to 1,486,281.80, 2,229,422.70 and 1,038,384.20

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Solution

The fourth proportional to 1,486,281.80, 2,229,422.70 and 1,038,384.20 is: 1,557,576.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,281.80 : 2,229,422.70 = 1,038,384.20 : x
  2. Step 2: Convert to fraction form
    1,486,281.80/2,229,422.70 = 1,038,384.20/x
  3. Step 3: Cross multiply
    1,486,281.80x = 2,229,422.70 × 1,038,384.20
  4. Step 4: Simplify right side
    1,486,281.80x = 2,314,997,306,801.34
  5. Step 5: Solve for x
    x = 2,314,997,306,801.34/1,486,281.80
  6. Step 6: Final answer
    x = 1,557,576.30

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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.