Home / 1,771,721.40-2,657,582.10-649,644.60

Finding the Fourth Proportional to 1,771,721.40, 2,657,582.10 and 649,644.60

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Solution

The fourth proportional to 1,771,721.40, 2,657,582.10 and 649,644.60 is: 974,466.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,721.40 : 2,657,582.10 = 649,644.60 : x
  2. Step 2: Convert to fraction form
    1,771,721.40/2,657,582.10 = 649,644.60/x
  3. Step 3: Cross multiply
    1,771,721.40x = 2,657,582.10 × 649,644.60
  4. Step 4: Simplify right side
    1,771,721.40x = 1,726,483,860,321.66
  5. Step 5: Solve for x
    x = 1,726,483,860,321.66/1,771,721.40
  6. Step 6: Final answer
    x = 974,466.90

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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.