Home / 1,187,088.36-1,780,616.64-288,527.52

Finding the Fourth Proportional to 1,187,088.36, 1,780,616.64 and 288,527.52

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Solution

The fourth proportional to 1,187,088.36, 1,780,616.64 and 288,527.52 is: 432,787.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,088.36 : 1,780,616.64 = 288,527.52 : x
  2. Step 2: Convert to fraction form
    1,187,088.36/1,780,616.64 = 288,527.52/x
  3. Step 3: Cross multiply
    1,187,088.36x = 1,780,616.64 × 288,527.52
  4. Step 4: Simplify right side
    1,187,088.36x = 513,756,903,209.93
  5. Step 5: Solve for x
    x = 513,756,903,209.93/1,187,088.36
  6. Step 6: Final answer
    x = 432,787.42

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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.