Home / 977,102.30-1,465,653.45-811,214.30

Finding the Fourth Proportional to 977,102.30, 1,465,653.45 and 811,214.30

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Solution

The fourth proportional to 977,102.30, 1,465,653.45 and 811,214.30 is: 1,216,821.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,102.30 : 1,465,653.45 = 811,214.30 : x
  2. Step 2: Convert to fraction form
    977,102.30/1,465,653.45 = 811,214.30/x
  3. Step 3: Cross multiply
    977,102.30x = 1,465,653.45 × 811,214.30
  4. Step 4: Simplify right side
    977,102.30x = 1,188,959,037,484.34
  5. Step 5: Solve for x
    x = 1,188,959,037,484.34/977,102.30
  6. Step 6: Final answer
    x = 1,216,821.45

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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.