Home / 1,422,330.60-2,133,803.10-425,159.40

Finding the Fourth Proportional to 1,422,330.60, 2,133,803.10 and 425,159.40

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Solution

The fourth proportional to 1,422,330.60, 2,133,803.10 and 425,159.40 is: 637,830.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,330.60 : 2,133,803.10 = 425,159.40 : x
  2. Step 2: Convert to fraction form
    1,422,330.60/2,133,803.10 = 425,159.40/x
  3. Step 3: Cross multiply
    1,422,330.60x = 2,133,803.10 × 425,159.40
  4. Step 4: Simplify right side
    1,422,330.60x = 907,206,445,714.14
  5. Step 5: Solve for x
    x = 907,206,445,714.14/1,422,330.60
  6. Step 6: Final answer
    x = 637,830.93

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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.