Home / 1,119,835.46-1,545,306.36-636,333.50

Finding the Fourth Proportional to 1,119,835.46, 1,545,306.36 and 636,333.50

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Solution

The fourth proportional to 1,119,835.46, 1,545,306.36 and 636,333.50 is: 878,102.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,835.46 : 1,545,306.36 = 636,333.50 : x
  2. Step 2: Convert to fraction form
    1,119,835.46/1,545,306.36 = 636,333.50/x
  3. Step 3: Cross multiply
    1,119,835.46x = 1,545,306.36 × 636,333.50
  4. Step 4: Simplify right side
    1,119,835.46x = 983,330,206,108.08
  5. Step 5: Solve for x
    x = 983,330,206,108.08/1,119,835.46
  6. Step 6: Final answer
    x = 878,102.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.