Home / 1,412,141.31-1,948,707.32-808,412.67

Finding the Fourth Proportional to 1,412,141.31, 1,948,707.32 and 808,412.67

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Solution

The fourth proportional to 1,412,141.31, 1,948,707.32 and 808,412.67 is: 1,115,582.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,141.31 : 1,948,707.32 = 808,412.67 : x
  2. Step 2: Convert to fraction form
    1,412,141.31/1,948,707.32 = 808,412.67/x
  3. Step 3: Cross multiply
    1,412,141.31x = 1,948,707.32 × 808,412.67
  4. Step 4: Simplify right side
    1,412,141.31x = 1,575,359,683,567.68
  5. Step 5: Solve for x
    x = 1,575,359,683,567.68/1,412,141.31
  6. Step 6: Final answer
    x = 1,115,582.18

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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.