Home / 1,048,908.20-1,574,139.90-693,804.20

Finding the Fourth Proportional to 1,048,908.20, 1,574,139.90 and 693,804.20

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Solution

The fourth proportional to 1,048,908.20, 1,574,139.90 and 693,804.20 is: 1,041,220.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,908.20 : 1,574,139.90 = 693,804.20 : x
  2. Step 2: Convert to fraction form
    1,048,908.20/1,574,139.90 = 693,804.20/x
  3. Step 3: Cross multiply
    1,048,908.20x = 1,574,139.90 × 693,804.20
  4. Step 4: Simplify right side
    1,048,908.20x = 1,092,144,874,007.58
  5. Step 5: Solve for x
    x = 1,092,144,874,007.58/1,048,908.20
  6. Step 6: Final answer
    x = 1,041,220.65

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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.