Home / 875,232.80-1,312,849.20-698,085.80

Finding the Fourth Proportional to 875,232.80, 1,312,849.20 and 698,085.80

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Solution

The fourth proportional to 875,232.80, 1,312,849.20 and 698,085.80 is: 1,047,128.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,232.80 : 1,312,849.20 = 698,085.80 : x
  2. Step 2: Convert to fraction form
    875,232.80/1,312,849.20 = 698,085.80/x
  3. Step 3: Cross multiply
    875,232.80x = 1,312,849.20 × 698,085.80
  4. Step 4: Simplify right side
    875,232.80x = 916,481,384,061.36
  5. Step 5: Solve for x
    x = 916,481,384,061.36/875,232.80
  6. Step 6: Final answer
    x = 1,047,128.70

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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.