Home / 1,369,942.32-1,890,492.10-758,094.70

Finding the Fourth Proportional to 1,369,942.32, 1,890,492.10 and 758,094.70

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Solution

The fourth proportional to 1,369,942.32, 1,890,492.10 and 758,094.70 is: 1,046,155.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,942.32 : 1,890,492.10 = 758,094.70 : x
  2. Step 2: Convert to fraction form
    1,369,942.32/1,890,492.10 = 758,094.70/x
  3. Step 3: Cross multiply
    1,369,942.32x = 1,890,492.10 × 758,094.70
  4. Step 4: Simplify right side
    1,369,942.32x = 1,433,172,041,401.87
  5. Step 5: Solve for x
    x = 1,433,172,041,401.87/1,369,942.32
  6. Step 6: Final answer
    x = 1,046,155.02

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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.