Home / 977,112.20-1,463,594.70-811,224.20

Finding the Fourth Proportional to 977,112.20, 1,463,594.70 and 811,224.20

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Solution

The fourth proportional to 977,112.20, 1,463,594.70 and 811,224.20 is: 1,215,114.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,112.20 : 1,463,594.70 = 811,224.20 : x
  2. Step 2: Convert to fraction form
    977,112.20/1,463,594.70 = 811,224.20/x
  3. Step 3: Cross multiply
    977,112.20x = 1,463,594.70 × 811,224.20
  4. Step 4: Simplify right side
    977,112.20x = 1,187,303,439,631.74
  5. Step 5: Solve for x
    x = 1,187,303,439,631.74/977,112.20
  6. Step 6: Final answer
    x = 1,215,114.74

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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.