Home / 1,038,611.75-1,433,288.54-561,683.75

Finding the Fourth Proportional to 1,038,611.75, 1,433,288.54 and 561,683.75

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Solution

The fourth proportional to 1,038,611.75, 1,433,288.54 and 561,683.75 is: 775,125.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,611.75 : 1,433,288.54 = 561,683.75 : x
  2. Step 2: Convert to fraction form
    1,038,611.75/1,433,288.54 = 561,683.75/x
  3. Step 3: Cross multiply
    1,038,611.75x = 1,433,288.54 × 561,683.75
  4. Step 4: Simplify right side
    1,038,611.75x = 805,054,881,979.23
  5. Step 5: Solve for x
    x = 805,054,881,979.23/1,038,611.75
  6. Step 6: Final answer
    x = 775,125.91

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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.