Home / 1,515,645.25-2,091,590.63-836,581.93

Finding the Fourth Proportional to 1,515,645.25, 2,091,590.63 and 836,581.93

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Solution

The fourth proportional to 1,515,645.25, 2,091,590.63 and 836,581.93 is: 1,154,483.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,645.25 : 2,091,590.63 = 836,581.93 : x
  2. Step 2: Convert to fraction form
    1,515,645.25/2,091,590.63 = 836,581.93/x
  3. Step 3: Cross multiply
    1,515,645.25x = 2,091,590.63 × 836,581.93
  4. Step 4: Simplify right side
    1,515,645.25x = 1,749,786,926,015.32
  5. Step 5: Solve for x
    x = 1,749,786,926,015.32/1,515,645.25
  6. Step 6: Final answer
    x = 1,154,483.17

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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.