Home / 1,134,142.15-1,699,896.94-459,384.32

Finding the Fourth Proportional to 1,134,142.15, 1,699,896.94 and 459,384.32

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Solution

The fourth proportional to 1,134,142.15, 1,699,896.94 and 459,384.32 is: 688,543.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,142.15 : 1,699,896.94 = 459,384.32 : x
  2. Step 2: Convert to fraction form
    1,134,142.15/1,699,896.94 = 459,384.32/x
  3. Step 3: Cross multiply
    1,134,142.15x = 1,699,896.94 × 459,384.32
  4. Step 4: Simplify right side
    1,134,142.15x = 780,905,990,204.04
  5. Step 5: Solve for x
    x = 780,905,990,204.04/1,134,142.15
  6. Step 6: Final answer
    x = 688,543.31

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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.