Home / 1,551,788.79-2,141,468.53-863,504.98

Finding the Fourth Proportional to 1,551,788.79, 2,141,468.53 and 863,504.98

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Solution

The fourth proportional to 1,551,788.79, 2,141,468.53 and 863,504.98 is: 1,191,636.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,788.79 : 2,141,468.53 = 863,504.98 : x
  2. Step 2: Convert to fraction form
    1,551,788.79/2,141,468.53 = 863,504.98/x
  3. Step 3: Cross multiply
    1,551,788.79x = 2,141,468.53 × 863,504.98
  4. Step 4: Simplify right side
    1,551,788.79x = 1,849,168,740,168.28
  5. Step 5: Solve for x
    x = 1,849,168,740,168.28/1,551,788.79
  6. Step 6: Final answer
    x = 1,191,636.87

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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.