Home / 872,165.40-1,308,248.10-683,208.60

Finding the Fourth Proportional to 872,165.40, 1,308,248.10 and 683,208.60

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Solution

The fourth proportional to 872,165.40, 1,308,248.10 and 683,208.60 is: 1,024,812.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,165.40 : 1,308,248.10 = 683,208.60 : x
  2. Step 2: Convert to fraction form
    872,165.40/1,308,248.10 = 683,208.60/x
  3. Step 3: Cross multiply
    872,165.40x = 1,308,248.10 × 683,208.60
  4. Step 4: Simplify right side
    872,165.40x = 893,806,352,853.66
  5. Step 5: Solve for x
    x = 893,806,352,853.66/872,165.40
  6. Step 6: Final answer
    x = 1,024,812.90

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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.