Home / 1,348,045.66-1,860,315.69-767,240.31

Finding the Fourth Proportional to 1,348,045.66, 1,860,315.69 and 767,240.31

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Solution

The fourth proportional to 1,348,045.66, 1,860,315.69 and 767,240.31 is: 1,058,798.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,045.66 : 1,860,315.69 = 767,240.31 : x
  2. Step 2: Convert to fraction form
    1,348,045.66/1,860,315.69 = 767,240.31/x
  3. Step 3: Cross multiply
    1,348,045.66x = 1,860,315.69 × 767,240.31
  4. Step 4: Simplify right side
    1,348,045.66x = 1,427,309,192,231.07
  5. Step 5: Solve for x
    x = 1,427,309,192,231.07/1,348,045.66
  6. Step 6: Final answer
    x = 1,058,798.85

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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.