Home / 1,339,280.76-2,009,237.04-440,793.12

Finding the Fourth Proportional to 1,339,280.76, 2,009,237.04 and 440,793.12

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Solution

The fourth proportional to 1,339,280.76, 2,009,237.04 and 440,793.12 is: 661,293.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,280.76 : 2,009,237.04 = 440,793.12 : x
  2. Step 2: Convert to fraction form
    1,339,280.76/2,009,237.04 = 440,793.12/x
  3. Step 3: Cross multiply
    1,339,280.76x = 2,009,237.04 × 440,793.12
  4. Step 4: Simplify right side
    1,339,280.76x = 885,657,863,681.17
  5. Step 5: Solve for x
    x = 885,657,863,681.17/1,339,280.76
  6. Step 6: Final answer
    x = 661,293.65

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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.