Home / 1,688,058.52-2,532,076.84-425,887.36

Finding the Fourth Proportional to 1,688,058.52, 2,532,076.84 and 425,887.36

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Solution

The fourth proportional to 1,688,058.52, 2,532,076.84 and 425,887.36 is: 638,828.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,058.52 : 2,532,076.84 = 425,887.36 : x
  2. Step 2: Convert to fraction form
    1,688,058.52/2,532,076.84 = 425,887.36/x
  3. Step 3: Cross multiply
    1,688,058.52x = 2,532,076.84 × 425,887.36
  4. Step 4: Simplify right side
    1,688,058.52x = 1,078,379,520,704.74
  5. Step 5: Solve for x
    x = 1,078,379,520,704.74/1,688,058.52
  6. Step 6: Final answer
    x = 638,828.28

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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.