Home / 1,545,320.70-2,316,340.80-746,081.55

Finding the Fourth Proportional to 1,545,320.70, 2,316,340.80 and 746,081.55

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Solution

The fourth proportional to 1,545,320.70, 2,316,340.80 and 746,081.55 is: 1,118,330.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,320.70 : 2,316,340.80 = 746,081.55 : x
  2. Step 2: Convert to fraction form
    1,545,320.70/2,316,340.80 = 746,081.55/x
  3. Step 3: Cross multiply
    1,545,320.70x = 2,316,340.80 × 746,081.55
  4. Step 4: Simplify right side
    1,545,320.70x = 1,728,179,134,392.24
  5. Step 5: Solve for x
    x = 1,728,179,134,392.24/1,545,320.70
  6. Step 6: Final answer
    x = 1,118,330.41

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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.