Home / 1,030,079.70-1,545,805.08-423,365.58

Finding the Fourth Proportional to 1,030,079.70, 1,545,805.08 and 423,365.58

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Solution

The fourth proportional to 1,030,079.70, 1,545,805.08 and 423,365.58 is: 635,330.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,079.70 : 1,545,805.08 = 423,365.58 : x
  2. Step 2: Convert to fraction form
    1,030,079.70/1,545,805.08 = 423,365.58/x
  3. Step 3: Cross multiply
    1,030,079.70x = 1,545,805.08 × 423,365.58
  4. Step 4: Simplify right side
    1,030,079.70x = 654,440,664,261.15
  5. Step 5: Solve for x
    x = 654,440,664,261.15/1,030,079.70
  6. Step 6: Final answer
    x = 635,330.12

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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.