Home / 1,437,769.48-2,156,971.74-426,973.72

Finding the Fourth Proportional to 1,437,769.48, 2,156,971.74 and 426,973.72

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Solution

The fourth proportional to 1,437,769.48, 2,156,971.74 and 426,973.72 is: 640,554.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,769.48 : 2,156,971.74 = 426,973.72 : x
  2. Step 2: Convert to fraction form
    1,437,769.48/2,156,971.74 = 426,973.72/x
  3. Step 3: Cross multiply
    1,437,769.48x = 2,156,971.74 × 426,973.72
  4. Step 4: Simplify right side
    1,437,769.48x = 920,970,247,762.67
  5. Step 5: Solve for x
    x = 920,970,247,762.67/1,437,769.48
  6. Step 6: Final answer
    x = 640,554.87

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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.