Home / 1,025,946.16-1,415,071.28-720,090.76

Finding the Fourth Proportional to 1,025,946.16, 1,415,071.28 and 720,090.76

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Solution

The fourth proportional to 1,025,946.16, 1,415,071.28 and 720,090.76 is: 993,209.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,946.16 : 1,415,071.28 = 720,090.76 : x
  2. Step 2: Convert to fraction form
    1,025,946.16/1,415,071.28 = 720,090.76/x
  3. Step 3: Cross multiply
    1,025,946.16x = 1,415,071.28 × 720,090.76
  4. Step 4: Simplify right side
    1,025,946.16x = 1,018,979,753,469.37
  5. Step 5: Solve for x
    x = 1,018,979,753,469.37/1,025,946.16
  6. Step 6: Final answer
    x = 993,209.77

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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.