Home / 1,317,159.74-1,975,875.12-497,189.01

Finding the Fourth Proportional to 1,317,159.74, 1,975,875.12 and 497,189.01

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Solution

The fourth proportional to 1,317,159.74, 1,975,875.12 and 497,189.01 is: 745,834.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,159.74 : 1,975,875.12 = 497,189.01 : x
  2. Step 2: Convert to fraction form
    1,317,159.74/1,975,875.12 = 497,189.01/x
  3. Step 3: Cross multiply
    1,317,159.74x = 1,975,875.12 × 497,189.01
  4. Step 4: Simplify right side
    1,317,159.74x = 982,383,394,796.43
  5. Step 5: Solve for x
    x = 982,383,394,796.43/1,317,159.74
  6. Step 6: Final answer
    x = 745,834.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.