Home / 1,065,795.80-1,598,693.70-768,363.80

Finding the Fourth Proportional to 1,065,795.80, 1,598,693.70 and 768,363.80

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Solution

The fourth proportional to 1,065,795.80, 1,598,693.70 and 768,363.80 is: 1,152,545.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,795.80 : 1,598,693.70 = 768,363.80 : x
  2. Step 2: Convert to fraction form
    1,065,795.80/1,598,693.70 = 768,363.80/x
  3. Step 3: Cross multiply
    1,065,795.80x = 1,598,693.70 × 768,363.80
  4. Step 4: Simplify right side
    1,065,795.80x = 1,228,378,366,368.06
  5. Step 5: Solve for x
    x = 1,228,378,366,368.06/1,065,795.80
  6. Step 6: Final answer
    x = 1,152,545.70

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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.