Home / 1,237,986.90-1,856,721.15-607,353.30

Finding the Fourth Proportional to 1,237,986.90, 1,856,721.15 and 607,353.30

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Solution

The fourth proportional to 1,237,986.90, 1,856,721.15 and 607,353.30 is: 910,902.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,986.90 : 1,856,721.15 = 607,353.30 : x
  2. Step 2: Convert to fraction form
    1,237,986.90/1,856,721.15 = 607,353.30/x
  3. Step 3: Cross multiply
    1,237,986.90x = 1,856,721.15 × 607,353.30
  4. Step 4: Simplify right side
    1,237,986.90x = 1,127,685,717,632.30
  5. Step 5: Solve for x
    x = 1,127,685,717,632.30/1,237,986.90
  6. Step 6: Final answer
    x = 910,902.79

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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.