Home / 1,390,029.54-2,085,491.43-632,141.70

Finding the Fourth Proportional to 1,390,029.54, 2,085,491.43 and 632,141.70

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Solution

The fourth proportional to 1,390,029.54, 2,085,491.43 and 632,141.70 is: 948,415.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,029.54 : 2,085,491.43 = 632,141.70 : x
  2. Step 2: Convert to fraction form
    1,390,029.54/2,085,491.43 = 632,141.70/x
  3. Step 3: Cross multiply
    1,390,029.54x = 2,085,491.43 × 632,141.70
  4. Step 4: Simplify right side
    1,390,029.54x = 1,318,326,097,895.63
  5. Step 5: Solve for x
    x = 1,318,326,097,895.63/1,390,029.54
  6. Step 6: Final answer
    x = 948,415.89

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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.