Home / 1,071,587.21-1,478,788.38-612,710.39

Finding the Fourth Proportional to 1,071,587.21, 1,478,788.38 and 612,710.39

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Solution

The fourth proportional to 1,071,587.21, 1,478,788.38 and 612,710.39 is: 845,539.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,587.21 : 1,478,788.38 = 612,710.39 : x
  2. Step 2: Convert to fraction form
    1,071,587.21/1,478,788.38 = 612,710.39/x
  3. Step 3: Cross multiply
    1,071,587.21x = 1,478,788.38 × 612,710.39
  4. Step 4: Simplify right side
    1,071,587.21x = 906,069,008,734.24
  5. Step 5: Solve for x
    x = 906,069,008,734.24/1,071,587.21
  6. Step 6: Final answer
    x = 845,539.22

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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.