Home / 1,059,353.64-1,462,228.20-720,018.72

Finding the Fourth Proportional to 1,059,353.64, 1,462,228.20 and 720,018.72

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Solution

The fourth proportional to 1,059,353.64, 1,462,228.20 and 720,018.72 is: 993,843.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,353.64 : 1,462,228.20 = 720,018.72 : x
  2. Step 2: Convert to fraction form
    1,059,353.64/1,462,228.20 = 720,018.72/x
  3. Step 3: Cross multiply
    1,059,353.64x = 1,462,228.20 × 720,018.72
  4. Step 4: Simplify right side
    1,059,353.64x = 1,052,831,676,911.90
  5. Step 5: Solve for x
    x = 1,052,831,676,911.90/1,059,353.64
  6. Step 6: Final answer
    x = 993,843.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.