Home / 977,686.20-1,466,529.30-673,255.80

Finding the Fourth Proportional to 977,686.20, 1,466,529.30 and 673,255.80

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Solution

The fourth proportional to 977,686.20, 1,466,529.30 and 673,255.80 is: 1,009,883.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,686.20 : 1,466,529.30 = 673,255.80 : x
  2. Step 2: Convert to fraction form
    977,686.20/1,466,529.30 = 673,255.80/x
  3. Step 3: Cross multiply
    977,686.20x = 1,466,529.30 × 673,255.80
  4. Step 4: Simplify right side
    977,686.20x = 987,349,357,094.94
  5. Step 5: Solve for x
    x = 987,349,357,094.94/977,686.20
  6. Step 6: Final answer
    x = 1,009,883.70

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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.