Home / 1,357,065.34-1,872,617.61-784,093.21

Finding the Fourth Proportional to 1,357,065.34, 1,872,617.61 and 784,093.21

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Solution

The fourth proportional to 1,357,065.34, 1,872,617.61 and 784,093.21 is: 1,081,972.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,065.34 : 1,872,617.61 = 784,093.21 : x
  2. Step 2: Convert to fraction form
    1,357,065.34/1,872,617.61 = 784,093.21/x
  3. Step 3: Cross multiply
    1,357,065.34x = 1,872,617.61 × 784,093.21
  4. Step 4: Simplify right side
    1,357,065.34x = 1,468,306,748,245.88
  5. Step 5: Solve for x
    x = 1,468,306,748,245.88/1,357,065.34
  6. Step 6: Final answer
    x = 1,081,972.04

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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.