Home / 1,029,280.44-1,418,633.64-684,500.16

Finding the Fourth Proportional to 1,029,280.44, 1,418,633.64 and 684,500.16

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Solution

The fourth proportional to 1,029,280.44, 1,418,633.64 and 684,500.16 is: 943,430.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,280.44 : 1,418,633.64 = 684,500.16 : x
  2. Step 2: Convert to fraction form
    1,029,280.44/1,418,633.64 = 684,500.16/x
  3. Step 3: Cross multiply
    1,029,280.44x = 1,418,633.64 × 684,500.16
  4. Step 4: Simplify right side
    1,029,280.44x = 971,054,953,561.38
  5. Step 5: Solve for x
    x = 971,054,953,561.38/1,029,280.44
  6. Step 6: Final answer
    x = 943,430.88

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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.