Home / 1,117,895.70-1,676,871.08-407,923.46

Finding the Fourth Proportional to 1,117,895.70, 1,676,871.08 and 407,923.46

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Solution

The fourth proportional to 1,117,895.70, 1,676,871.08 and 407,923.46 is: 611,895.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,895.70 : 1,676,871.08 = 407,923.46 : x
  2. Step 2: Convert to fraction form
    1,117,895.70/1,676,871.08 = 407,923.46/x
  3. Step 3: Cross multiply
    1,117,895.70x = 1,676,871.08 × 407,923.46
  4. Step 4: Simplify right side
    1,117,895.70x = 684,035,052,927.54
  5. Step 5: Solve for x
    x = 684,035,052,927.54/1,117,895.70
  6. Step 6: Final answer
    x = 611,895.24

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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.