Home / 1,539,420.72-2,308,781.16-740,290.92

Finding the Fourth Proportional to 1,539,420.72, 2,308,781.16 and 740,290.92

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Solution

The fourth proportional to 1,539,420.72, 2,308,781.16 and 740,290.92 is: 1,110,268.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,420.72 : 2,308,781.16 = 740,290.92 : x
  2. Step 2: Convert to fraction form
    1,539,420.72/2,308,781.16 = 740,290.92/x
  3. Step 3: Cross multiply
    1,539,420.72x = 2,308,781.16 × 740,290.92
  4. Step 4: Simplify right side
    1,539,420.72x = 1,709,169,729,015.07
  5. Step 5: Solve for x
    x = 1,709,169,729,015.07/1,539,420.72
  6. Step 6: Final answer
    x = 1,110,268.11

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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.