Home / 1,064,628.20-1,598,108.70-665,719.40

Finding the Fourth Proportional to 1,064,628.20, 1,598,108.70 and 665,719.40

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Solution

The fourth proportional to 1,064,628.20, 1,598,108.70 and 665,719.40 is: 999,308.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,628.20 : 1,598,108.70 = 665,719.40 : x
  2. Step 2: Convert to fraction form
    1,064,628.20/1,598,108.70 = 665,719.40/x
  3. Step 3: Cross multiply
    1,064,628.20x = 1,598,108.70 × 665,719.40
  4. Step 4: Simplify right side
    1,064,628.20x = 1,063,891,964,898.78
  5. Step 5: Solve for x
    x = 1,063,891,964,898.78/1,064,628.20
  6. Step 6: Final answer
    x = 999,308.46

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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.