Home / 1,086,688.20-1,628,477.10-753,875.40

Finding the Fourth Proportional to 1,086,688.20, 1,628,477.10 and 753,875.40

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Solution

The fourth proportional to 1,086,688.20, 1,628,477.10 and 753,875.40 is: 1,129,734.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,688.20 : 1,628,477.10 = 753,875.40 : x
  2. Step 2: Convert to fraction form
    1,086,688.20/1,628,477.10 = 753,875.40/x
  3. Step 3: Cross multiply
    1,086,688.20x = 1,628,477.10 × 753,875.40
  4. Step 4: Simplify right side
    1,086,688.20x = 1,227,668,825,153.34
  5. Step 5: Solve for x
    x = 1,227,668,825,153.34/1,086,688.20
  6. Step 6: Final answer
    x = 1,129,734.20

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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.