Home / 1,214,387.58-1,675,152.30-784,667.70

Finding the Fourth Proportional to 1,214,387.58, 1,675,152.30 and 784,667.70

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Solution

The fourth proportional to 1,214,387.58, 1,675,152.30 and 784,667.70 is: 1,082,387.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,387.58 : 1,675,152.30 = 784,667.70 : x
  2. Step 2: Convert to fraction form
    1,214,387.58/1,675,152.30 = 784,667.70/x
  3. Step 3: Cross multiply
    1,214,387.58x = 1,675,152.30 × 784,667.70
  4. Step 4: Simplify right side
    1,214,387.58x = 1,314,437,902,390.71
  5. Step 5: Solve for x
    x = 1,314,437,902,390.71/1,214,387.58
  6. Step 6: Final answer
    x = 1,082,387.47

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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.