Home / 1,125,792.46-1,688,678.09-486,548.16

Finding the Fourth Proportional to 1,125,792.46, 1,688,678.09 and 486,548.16

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Solution

The fourth proportional to 1,125,792.46, 1,688,678.09 and 486,548.16 is: 729,817.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,792.46 : 1,688,678.09 = 486,548.16 : x
  2. Step 2: Convert to fraction form
    1,125,792.46/1,688,678.09 = 486,548.16/x
  3. Step 3: Cross multiply
    1,125,792.46x = 1,688,678.09 × 486,548.16
  4. Step 4: Simplify right side
    1,125,792.46x = 821,623,217,521.82
  5. Step 5: Solve for x
    x = 821,623,217,521.82/1,125,792.46
  6. Step 6: Final answer
    x = 729,817.66

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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.