Home / 1,038,611.76-1,433,288.54-561,683.76

Finding the Fourth Proportional to 1,038,611.76, 1,433,288.54 and 561,683.76

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Solution

The fourth proportional to 1,038,611.76, 1,433,288.54 and 561,683.76 is: 775,125.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,611.76 : 1,433,288.54 = 561,683.76 : x
  2. Step 2: Convert to fraction form
    1,038,611.76/1,433,288.54 = 561,683.76/x
  3. Step 3: Cross multiply
    1,038,611.76x = 1,433,288.54 × 561,683.76
  4. Step 4: Simplify right side
    1,038,611.76x = 805,054,896,312.11
  5. Step 5: Solve for x
    x = 805,054,896,312.11/1,038,611.76
  6. Step 6: Final answer
    x = 775,125.92

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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.