Home / 1,375,748.64-1,898,533.08-772,136.64

Finding the Fourth Proportional to 1,375,748.64, 1,898,533.08 and 772,136.64

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Solution

The fourth proportional to 1,375,748.64, 1,898,533.08 and 772,136.64 is: 1,065,548.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,748.64 : 1,898,533.08 = 772,136.64 : x
  2. Step 2: Convert to fraction form
    1,375,748.64/1,898,533.08 = 772,136.64/x
  3. Step 3: Cross multiply
    1,375,748.64x = 1,898,533.08 × 772,136.64
  4. Step 4: Simplify right side
    1,375,748.64x = 1,465,926,953,320.05
  5. Step 5: Solve for x
    x = 1,465,926,953,320.05/1,375,748.64
  6. Step 6: Final answer
    x = 1,065,548.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.