Home / 1,305,110.40-1,958,378.88-506,423.28

Finding the Fourth Proportional to 1,305,110.40, 1,958,378.88 and 506,423.28

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Solution

The fourth proportional to 1,305,110.40, 1,958,378.88 and 506,423.28 is: 759,911.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,110.40 : 1,958,378.88 = 506,423.28 : x
  2. Step 2: Convert to fraction form
    1,305,110.40/1,958,378.88 = 506,423.28/x
  3. Step 3: Cross multiply
    1,305,110.40x = 1,958,378.88 × 506,423.28
  4. Step 4: Simplify right side
    1,305,110.40x = 991,768,655,892.33
  5. Step 5: Solve for x
    x = 991,768,655,892.33/1,305,110.40
  6. Step 6: Final answer
    x = 759,911.69

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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.