Home / 830,039.70-1,245,059.55-824,790.90

Finding the Fourth Proportional to 830,039.70, 1,245,059.55 and 824,790.90

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Solution

The fourth proportional to 830,039.70, 1,245,059.55 and 824,790.90 is: 1,237,186.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,039.70 : 1,245,059.55 = 824,790.90 : x
  2. Step 2: Convert to fraction form
    830,039.70/1,245,059.55 = 824,790.90/x
  3. Step 3: Cross multiply
    830,039.70x = 1,245,059.55 × 824,790.90
  4. Step 4: Simplify right side
    830,039.70x = 1,026,913,786,798.10
  5. Step 5: Solve for x
    x = 1,026,913,786,798.10/830,039.70
  6. Step 6: Final answer
    x = 1,237,186.35

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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.