Home / 1,558,112.20-2,336,477.10-716,921.80

Finding the Fourth Proportional to 1,558,112.20, 2,336,477.10 and 716,921.80

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Solution

The fourth proportional to 1,558,112.20, 2,336,477.10 and 716,921.80 is: 1,075,064.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,112.20 : 2,336,477.10 = 716,921.80 : x
  2. Step 2: Convert to fraction form
    1,558,112.20/2,336,477.10 = 716,921.80/x
  3. Step 3: Cross multiply
    1,558,112.20x = 2,336,477.10 × 716,921.80
  4. Step 4: Simplify right side
    1,558,112.20x = 1,675,071,368,190.78
  5. Step 5: Solve for x
    x = 1,675,071,368,190.78/1,558,112.20
  6. Step 6: Final answer
    x = 1,075,064.66

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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.