Home / 1,127,224.80-1,690,476.32-368,860.68

Finding the Fourth Proportional to 1,127,224.80, 1,690,476.32 and 368,860.68

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Solution

The fourth proportional to 1,127,224.80, 1,690,476.32 and 368,860.68 is: 553,172.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,224.80 : 1,690,476.32 = 368,860.68 : x
  2. Step 2: Convert to fraction form
    1,127,224.80/1,690,476.32 = 368,860.68/x
  3. Step 3: Cross multiply
    1,127,224.80x = 1,690,476.32 × 368,860.68
  4. Step 4: Simplify right side
    1,127,224.80x = 623,550,243,074.79
  5. Step 5: Solve for x
    x = 623,550,243,074.79/1,127,224.80
  6. Step 6: Final answer
    x = 553,172.93

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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.