Home / 977,810.27-1,466,415.16-676,142.71

Finding the Fourth Proportional to 977,810.27, 1,466,415.16 and 676,142.71

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Solution

The fourth proportional to 977,810.27, 1,466,415.16 and 676,142.71 is: 1,014,006.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,810.27 : 1,466,415.16 = 676,142.71 : x
  2. Step 2: Convert to fraction form
    977,810.27/1,466,415.16 = 676,142.71/x
  3. Step 3: Cross multiply
    977,810.27x = 1,466,415.16 × 676,142.71
  4. Step 4: Simplify right side
    977,810.27x = 991,505,914,911.09
  5. Step 5: Solve for x
    x = 991,505,914,911.09/977,810.27
  6. Step 6: Final answer
    x = 1,014,006.45

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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.