Home / 1,558,111.20-2,336,475.60-716,920.80

Finding the Fourth Proportional to 1,558,111.20, 2,336,475.60 and 716,920.80

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Solution

The fourth proportional to 1,558,111.20, 2,336,475.60 and 716,920.80 is: 1,075,063.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,111.20 : 2,336,475.60 = 716,920.80 : x
  2. Step 2: Convert to fraction form
    1,558,111.20/2,336,475.60 = 716,920.80/x
  3. Step 3: Cross multiply
    1,558,111.20x = 2,336,475.60 × 716,920.80
  4. Step 4: Simplify right side
    1,558,111.20x = 1,675,067,956,332.48
  5. Step 5: Solve for x
    x = 1,675,067,956,332.48/1,558,111.20
  6. Step 6: Final answer
    x = 1,075,063.16

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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.