Home / 1,065,310.83-1,470,120.21-581,876.28

Finding the Fourth Proportional to 1,065,310.83, 1,470,120.21 and 581,876.28

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Solution

The fourth proportional to 1,065,310.83, 1,470,120.21 and 581,876.28 is: 802,984.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,310.83 : 1,470,120.21 = 581,876.28 : x
  2. Step 2: Convert to fraction form
    1,065,310.83/1,470,120.21 = 581,876.28/x
  3. Step 3: Cross multiply
    1,065,310.83x = 1,470,120.21 × 581,876.28
  4. Step 4: Simplify right side
    1,065,310.83x = 855,428,078,947.62
  5. Step 5: Solve for x
    x = 855,428,078,947.62/1,065,310.83
  6. Step 6: Final answer
    x = 802,984.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.