Home / 859,575.02-1,289,195.76-816,901.18

Finding the Fourth Proportional to 859,575.02, 1,289,195.76 and 816,901.18

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Solution

The fourth proportional to 859,575.02, 1,289,195.76 and 816,901.18 is: 1,225,193.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,575.02 : 1,289,195.76 = 816,901.18 : x
  2. Step 2: Convert to fraction form
    859,575.02/1,289,195.76 = 816,901.18/x
  3. Step 3: Cross multiply
    859,575.02x = 1,289,195.76 × 816,901.18
  4. Step 4: Simplify right side
    859,575.02x = 1,053,145,537,595.00
  5. Step 5: Solve for x
    x = 1,053,145,537,595.00/859,575.02
  6. Step 6: Final answer
    x = 1,225,193.28

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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.