Home / 1,269,140.72-1,902,497.52-470,207.84

Finding the Fourth Proportional to 1,269,140.72, 1,902,497.52 and 470,207.84

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Solution

The fourth proportional to 1,269,140.72, 1,902,497.52 and 470,207.84 is: 704,862.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,140.72 : 1,902,497.52 = 470,207.84 : x
  2. Step 2: Convert to fraction form
    1,269,140.72/1,902,497.52 = 470,207.84/x
  3. Step 3: Cross multiply
    1,269,140.72x = 1,902,497.52 × 470,207.84
  4. Step 4: Simplify right side
    1,269,140.72x = 894,569,249,484.56
  5. Step 5: Solve for x
    x = 894,569,249,484.56/1,269,140.72
  6. Step 6: Final answer
    x = 704,862.14

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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.