Home / 1,052,123.36-1,578,418.88-490,851.68

Finding the Fourth Proportional to 1,052,123.36, 1,578,418.88 and 490,851.68

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Solution

The fourth proportional to 1,052,123.36, 1,578,418.88 and 490,851.68 is: 736,386.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,123.36 : 1,578,418.88 = 490,851.68 : x
  2. Step 2: Convert to fraction form
    1,052,123.36/1,578,418.88 = 490,851.68/x
  3. Step 3: Cross multiply
    1,052,123.36x = 1,578,418.88 × 490,851.68
  4. Step 4: Simplify right side
    1,052,123.36x = 774,769,558,991.72
  5. Step 5: Solve for x
    x = 774,769,558,991.72/1,052,123.36
  6. Step 6: Final answer
    x = 736,386.61

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1.5x scale

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.