Home / 977,491.80-1,466,237.70-890,886.60

Finding the Fourth Proportional to 977,491.80, 1,466,237.70 and 890,886.60

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Solution

The fourth proportional to 977,491.80, 1,466,237.70 and 890,886.60 is: 1,336,329.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,491.80 : 1,466,237.70 = 890,886.60 : x
  2. Step 2: Convert to fraction form
    977,491.80/1,466,237.70 = 890,886.60/x
  3. Step 3: Cross multiply
    977,491.80x = 1,466,237.70 × 890,886.60
  4. Step 4: Simplify right side
    977,491.80x = 1,306,251,519,344.82
  5. Step 5: Solve for x
    x = 1,306,251,519,344.82/977,491.80
  6. Step 6: Final answer
    x = 1,336,329.90

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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.