Home / 977,943.15-1,465,154.97-920,256.15

Finding the Fourth Proportional to 977,943.15, 1,465,154.97 and 920,256.15

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Solution

The fourth proportional to 977,943.15, 1,465,154.97 and 920,256.15 is: 1,378,728.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,943.15 : 1,465,154.97 = 920,256.15 : x
  2. Step 2: Convert to fraction form
    977,943.15/1,465,154.97 = 920,256.15/x
  3. Step 3: Cross multiply
    977,943.15x = 1,465,154.97 × 920,256.15
  4. Step 4: Simplify right side
    977,943.15x = 1,348,317,871,845.57
  5. Step 5: Solve for x
    x = 1,348,317,871,845.57/977,943.15
  6. Step 6: Final answer
    x = 1,378,728.27

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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.