Home / 1,256,459.52-1,733,959.44-720,019.20

Finding the Fourth Proportional to 1,256,459.52, 1,733,959.44 and 720,019.20

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Solution

The fourth proportional to 1,256,459.52, 1,733,959.44 and 720,019.20 is: 993,652.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,459.52 : 1,733,959.44 = 720,019.20 : x
  2. Step 2: Convert to fraction form
    1,256,459.52/1,733,959.44 = 720,019.20/x
  3. Step 3: Cross multiply
    1,256,459.52x = 1,733,959.44 × 720,019.20
  4. Step 4: Simplify right side
    1,256,459.52x = 1,248,484,088,821.25
  5. Step 5: Solve for x
    x = 1,248,484,088,821.25/1,256,459.52
  6. Step 6: Final answer
    x = 993,652.46

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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.