Home / 1,237,859.40-1,856,529.90-607,225.80

Finding the Fourth Proportional to 1,237,859.40, 1,856,529.90 and 607,225.80

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Solution

The fourth proportional to 1,237,859.40, 1,856,529.90 and 607,225.80 is: 910,711.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,859.40 : 1,856,529.90 = 607,225.80 : x
  2. Step 2: Convert to fraction form
    1,237,859.40/1,856,529.90 = 607,225.80/x
  3. Step 3: Cross multiply
    1,237,859.40x = 1,856,529.90 × 607,225.80
  4. Step 4: Simplify right side
    1,237,859.40x = 1,127,332,853,751.42
  5. Step 5: Solve for x
    x = 1,127,332,853,751.42/1,237,859.40
  6. Step 6: Final answer
    x = 910,711.55

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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.