Home / 1,331,441.64-1,837,421.82-808,158.15

Finding the Fourth Proportional to 1,331,441.64, 1,837,421.82 and 808,158.15

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Solution

The fourth proportional to 1,331,441.64, 1,837,421.82 and 808,158.15 is: 1,115,277.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,441.64 : 1,837,421.82 = 808,158.15 : x
  2. Step 2: Convert to fraction form
    1,331,441.64/1,837,421.82 = 808,158.15/x
  3. Step 3: Cross multiply
    1,331,441.64x = 1,837,421.82 × 808,158.15
  4. Step 4: Simplify right side
    1,331,441.64x = 1,484,927,418,820.83
  5. Step 5: Solve for x
    x = 1,484,927,418,820.83/1,331,441.64
  6. Step 6: Final answer
    x = 1,115,277.89

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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.