Home / 1,421,632.05-2,134,339.84-748,186.30

Finding the Fourth Proportional to 1,421,632.05, 2,134,339.84 and 748,186.30

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Solution

The fourth proportional to 1,421,632.05, 2,134,339.84 and 748,186.30 is: 1,123,275.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,632.05 : 2,134,339.84 = 748,186.30 : x
  2. Step 2: Convert to fraction form
    1,421,632.05/2,134,339.84 = 748,186.30/x
  3. Step 3: Cross multiply
    1,421,632.05x = 2,134,339.84 × 748,186.30
  4. Step 4: Simplify right side
    1,421,632.05x = 1,596,883,831,435.35
  5. Step 5: Solve for x
    x = 1,596,883,831,435.35/1,421,632.05
  6. Step 6: Final answer
    x = 1,123,275.07

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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.