Home / 702,971.30-1,054,456.95-675,415.10

Finding the Fourth Proportional to 702,971.30, 1,054,456.95 and 675,415.10

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Solution

The fourth proportional to 702,971.30, 1,054,456.95 and 675,415.10 is: 1,013,122.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,971.30 : 1,054,456.95 = 675,415.10 : x
  2. Step 2: Convert to fraction form
    702,971.30/1,054,456.95 = 675,415.10/x
  3. Step 3: Cross multiply
    702,971.30x = 1,054,456.95 × 675,415.10
  4. Step 4: Simplify right side
    702,971.30x = 712,196,146,329.95
  5. Step 5: Solve for x
    x = 712,196,146,329.95/702,971.30
  6. Step 6: Final answer
    x = 1,013,122.65

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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.