Home / 1,039,963.70-1,559,945.55-480,091.70

Finding the Fourth Proportional to 1,039,963.70, 1,559,945.55 and 480,091.70

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Solution

The fourth proportional to 1,039,963.70, 1,559,945.55 and 480,091.70 is: 720,137.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,963.70 : 1,559,945.55 = 480,091.70 : x
  2. Step 2: Convert to fraction form
    1,039,963.70/1,559,945.55 = 480,091.70/x
  3. Step 3: Cross multiply
    1,039,963.70x = 1,559,945.55 × 480,091.70
  4. Step 4: Simplify right side
    1,039,963.70x = 748,916,911,006.94
  5. Step 5: Solve for x
    x = 748,916,911,006.94/1,039,963.70
  6. Step 6: Final answer
    x = 720,137.55

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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.