Home / 1,437,223.40-2,155,467.38-426,108.92

Finding the Fourth Proportional to 1,437,223.40, 2,155,467.38 and 426,108.92

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Solution

The fourth proportional to 1,437,223.40, 2,155,467.38 and 426,108.92 is: 639,054.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,223.40 : 2,155,467.38 = 426,108.92 : x
  2. Step 2: Convert to fraction form
    1,437,223.40/2,155,467.38 = 426,108.92/x
  3. Step 3: Cross multiply
    1,437,223.40x = 2,155,467.38 × 426,108.92
  4. Step 4: Simplify right side
    1,437,223.40x = 918,463,877,387.03
  5. Step 5: Solve for x
    x = 918,463,877,387.03/1,437,223.40
  6. Step 6: Final answer
    x = 639,054.36

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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.