Home / 977,287.70-1,466,125.95-820,601.30

Finding the Fourth Proportional to 977,287.70, 1,466,125.95 and 820,601.30

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Solution

The fourth proportional to 977,287.70, 1,466,125.95 and 820,601.30 is: 1,231,065.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,287.70 : 1,466,125.95 = 820,601.30 : x
  2. Step 2: Convert to fraction form
    977,287.70/1,466,125.95 = 820,601.30/x
  3. Step 3: Cross multiply
    977,287.70x = 1,466,125.95 × 820,601.30
  4. Step 4: Simplify right side
    977,287.70x = 1,203,104,860,533.74
  5. Step 5: Solve for x
    x = 1,203,104,860,533.74/977,287.70
  6. Step 6: Final answer
    x = 1,231,065.18

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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.