Home / 1,020,064.16-1,407,668.94-561,151.90

Finding the Fourth Proportional to 1,020,064.16, 1,407,668.94 and 561,151.90

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Solution

The fourth proportional to 1,020,064.16, 1,407,668.94 and 561,151.90 is: 774,378.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,064.16 : 1,407,668.94 = 561,151.90 : x
  2. Step 2: Convert to fraction form
    1,020,064.16/1,407,668.94 = 561,151.90/x
  3. Step 3: Cross multiply
    1,020,064.16x = 1,407,668.94 × 561,151.90
  4. Step 4: Simplify right side
    1,020,064.16x = 789,916,100,251.99
  5. Step 5: Solve for x
    x = 789,916,100,251.99/1,020,064.16
  6. Step 6: Final answer
    x = 774,378.84

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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.