Home / 1,140,506.88-1,573,925.76-631,230.72

Finding the Fourth Proportional to 1,140,506.88, 1,573,925.76 and 631,230.72

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Solution

The fourth proportional to 1,140,506.88, 1,573,925.76 and 631,230.72 is: 871,112.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,506.88 : 1,573,925.76 = 631,230.72 : x
  2. Step 2: Convert to fraction form
    1,140,506.88/1,573,925.76 = 631,230.72/x
  3. Step 3: Cross multiply
    1,140,506.88x = 1,573,925.76 × 631,230.72
  4. Step 4: Simplify right side
    1,140,506.88x = 993,510,290,711.35
  5. Step 5: Solve for x
    x = 993,510,290,711.35/1,140,506.88
  6. Step 6: Final answer
    x = 871,112.93

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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.