Home / 1,122,444.69-1,683,662.18-280,994.01

Finding the Fourth Proportional to 1,122,444.69, 1,683,662.18 and 280,994.01

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Solution

The fourth proportional to 1,122,444.69, 1,683,662.18 and 280,994.01 is: 421,489.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,444.69 : 1,683,662.18 = 280,994.01 : x
  2. Step 2: Convert to fraction form
    1,122,444.69/1,683,662.18 = 280,994.01/x
  3. Step 3: Cross multiply
    1,122,444.69x = 1,683,662.18 × 280,994.01
  4. Step 4: Simplify right side
    1,122,444.69x = 473,098,986,038.57
  5. Step 5: Solve for x
    x = 473,098,986,038.57/1,122,444.69
  6. Step 6: Final answer
    x = 421,489.80

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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.