Home / 1,348,726.95-2,008,779.75-1,342,208.48

Finding the Fourth Proportional to 1,348,726.95, 2,008,779.75 and 1,342,208.48

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Solution

The fourth proportional to 1,348,726.95, 2,008,779.75 and 1,342,208.48 is: 1,999,071.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,726.95 : 2,008,779.75 = 1,342,208.48 : x
  2. Step 2: Convert to fraction form
    1,348,726.95/2,008,779.75 = 1,342,208.48/x
  3. Step 3: Cross multiply
    1,348,726.95x = 2,008,779.75 × 1,342,208.48
  4. Step 4: Simplify right side
    1,348,726.95x = 2,696,201,204,858.38
  5. Step 5: Solve for x
    x = 2,696,201,204,858.38/1,348,726.95
  6. Step 6: Final answer
    x = 1,999,071.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.