Home / 1,048,812.70-1,569,282.45-694,518.70

Finding the Fourth Proportional to 1,048,812.70, 1,569,282.45 and 694,518.70

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Solution

The fourth proportional to 1,048,812.70, 1,569,282.45 and 694,518.70 is: 1,039,171.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,812.70 : 1,569,282.45 = 694,518.70 : x
  2. Step 2: Convert to fraction form
    1,048,812.70/1,569,282.45 = 694,518.70/x
  3. Step 3: Cross multiply
    1,048,812.70x = 1,569,282.45 × 694,518.70
  4. Step 4: Simplify right side
    1,048,812.70x = 1,089,896,007,106.82
  5. Step 5: Solve for x
    x = 1,089,896,007,106.82/1,048,812.70
  6. Step 6: Final answer
    x = 1,039,171.25

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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.