Home / 1,115,396.55-1,539,243.16-632,054.07

Finding the Fourth Proportional to 1,115,396.55, 1,539,243.16 and 632,054.07

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Solution

The fourth proportional to 1,115,396.55, 1,539,243.16 and 632,054.07 is: 872,232.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,396.55 : 1,539,243.16 = 632,054.07 : x
  2. Step 2: Convert to fraction form
    1,115,396.55/1,539,243.16 = 632,054.07/x
  3. Step 3: Cross multiply
    1,115,396.55x = 1,539,243.16 × 632,054.07
  4. Step 4: Simplify right side
    1,115,396.55x = 972,884,902,417.53
  5. Step 5: Solve for x
    x = 972,884,902,417.53/1,115,396.55
  6. Step 6: Final answer
    x = 872,232.30

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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.