Home / 977,492.70-1,466,239.05-842,190.30

Finding the Fourth Proportional to 977,492.70, 1,466,239.05 and 842,190.30

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Solution

The fourth proportional to 977,492.70, 1,466,239.05 and 842,190.30 is: 1,263,285.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,492.70 : 1,466,239.05 = 842,190.30 : x
  2. Step 2: Convert to fraction form
    977,492.70/1,466,239.05 = 842,190.30/x
  3. Step 3: Cross multiply
    977,492.70x = 1,466,239.05 × 842,190.30
  4. Step 4: Simplify right side
    977,492.70x = 1,234,852,305,391.22
  5. Step 5: Solve for x
    x = 1,234,852,305,391.22/977,492.70
  6. Step 6: Final answer
    x = 1,263,285.45

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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.