Home / 1,587,881.39-2,191,204.89-899,539.17

Finding the Fourth Proportional to 1,587,881.39, 2,191,204.89 and 899,539.17

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Solution

The fourth proportional to 1,587,881.39, 2,191,204.89 and 899,539.17 is: 1,241,323.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,881.39 : 2,191,204.89 = 899,539.17 : x
  2. Step 2: Convert to fraction form
    1,587,881.39/2,191,204.89 = 899,539.17/x
  3. Step 3: Cross multiply
    1,587,881.39x = 2,191,204.89 × 899,539.17
  4. Step 4: Simplify right side
    1,587,881.39x = 1,971,074,628,050.54
  5. Step 5: Solve for x
    x = 1,971,074,628,050.54/1,587,881.39
  6. Step 6: Final answer
    x = 1,241,323.59

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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.