Home / 1,759,081.60-2,638,363.20-497,036.80

Finding the Fourth Proportional to 1,759,081.60, 2,638,363.20 and 497,036.80

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Solution

The fourth proportional to 1,759,081.60, 2,638,363.20 and 497,036.80 is: 745,481.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759,081.60 : 2,638,363.20 = 497,036.80 : x
  2. Step 2: Convert to fraction form
    1,759,081.60/2,638,363.20 = 497,036.80/x
  3. Step 3: Cross multiply
    1,759,081.60x = 2,638,363.20 × 497,036.80
  4. Step 4: Simplify right side
    1,759,081.60x = 1,311,363,602,165.76
  5. Step 5: Solve for x
    x = 1,311,363,602,165.76/1,759,081.60
  6. Step 6: Final answer
    x = 745,481.96

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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.