Home / 862,400.49-1,181,492.90-830,077.82

Finding the Fourth Proportional to 862,400.49, 1,181,492.90 and 830,077.82

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Solution

The fourth proportional to 862,400.49, 1,181,492.90 and 830,077.82 is: 1,137,210.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,400.49 : 1,181,492.90 = 830,077.82 : x
  2. Step 2: Convert to fraction form
    862,400.49/1,181,492.90 = 830,077.82/x
  3. Step 3: Cross multiply
    862,400.49x = 1,181,492.90 × 830,077.82
  4. Step 4: Simplify right side
    862,400.49x = 980,731,054,908.91
  5. Step 5: Solve for x
    x = 980,731,054,908.91/862,400.49
  6. Step 6: Final answer
    x = 1,137,210.69

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.