Home / 1,225,897.32-1,691,971.30-767,225.10

Finding the Fourth Proportional to 1,225,897.32, 1,691,971.30 and 767,225.10

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Solution

The fourth proportional to 1,225,897.32, 1,691,971.30 and 767,225.10 is: 1,058,916.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,897.32 : 1,691,971.30 = 767,225.10 : x
  2. Step 2: Convert to fraction form
    1,225,897.32/1,691,971.30 = 767,225.10/x
  3. Step 3: Cross multiply
    1,225,897.32x = 1,691,971.30 × 767,225.10
  4. Step 4: Simplify right side
    1,225,897.32x = 1,298,122,849,839.63
  5. Step 5: Solve for x
    x = 1,298,122,849,839.63/1,225,897.32
  6. Step 6: Final answer
    x = 1,058,916.46

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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.