Home / 1,110,312.18-1,665,333.63-311,657.94

Finding the Fourth Proportional to 1,110,312.18, 1,665,333.63 and 311,657.94

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Solution

The fourth proportional to 1,110,312.18, 1,665,333.63 and 311,657.94 is: 467,449.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,312.18 : 1,665,333.63 = 311,657.94 : x
  2. Step 2: Convert to fraction form
    1,110,312.18/1,665,333.63 = 311,657.94/x
  3. Step 3: Cross multiply
    1,110,312.18x = 1,665,333.63 × 311,657.94
  4. Step 4: Simplify right side
    1,110,312.18x = 519,014,448,538.52
  5. Step 5: Solve for x
    x = 519,014,448,538.52/1,110,312.18
  6. Step 6: Final answer
    x = 467,449.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.