Home / 1,348,115.32-1,860,411.81-767,310.09

Finding the Fourth Proportional to 1,348,115.32, 1,860,411.81 and 767,310.09

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Solution

The fourth proportional to 1,348,115.32, 1,860,411.81 and 767,310.09 is: 1,058,895.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,115.32 : 1,860,411.81 = 767,310.09 : x
  2. Step 2: Convert to fraction form
    1,348,115.32/1,860,411.81 = 767,310.09/x
  3. Step 3: Cross multiply
    1,348,115.32x = 1,860,411.81 × 767,310.09
  4. Step 4: Simplify right side
    1,348,115.32x = 1,427,512,753,368.16
  5. Step 5: Solve for x
    x = 1,427,512,753,368.16/1,348,115.32
  6. Step 6: Final answer
    x = 1,058,895.13

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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.