Home / 1,301,765.73-1,952,271.57-390,911.44

Finding the Fourth Proportional to 1,301,765.73, 1,952,271.57 and 390,911.44

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Solution

The fourth proportional to 1,301,765.73, 1,952,271.57 and 390,911.44 is: 586,253.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,765.73 : 1,952,271.57 = 390,911.44 : x
  2. Step 2: Convert to fraction form
    1,301,765.73/1,952,271.57 = 390,911.44/x
  3. Step 3: Cross multiply
    1,301,765.73x = 1,952,271.57 × 390,911.44
  4. Step 4: Simplify right side
    1,301,765.73x = 763,165,294,237.40
  5. Step 5: Solve for x
    x = 763,165,294,237.40/1,301,765.73
  6. Step 6: Final answer
    x = 586,253.94

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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.