Home / 1,253,266.40-1,879,972.70-354,632.96

Finding the Fourth Proportional to 1,253,266.40, 1,879,972.70 and 354,632.96

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Solution

The fourth proportional to 1,253,266.40, 1,879,972.70 and 354,632.96 is: 531,970.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,266.40 : 1,879,972.70 = 354,632.96 : x
  2. Step 2: Convert to fraction form
    1,253,266.40/1,879,972.70 = 354,632.96/x
  3. Step 3: Cross multiply
    1,253,266.40x = 1,879,972.70 × 354,632.96
  4. Step 4: Simplify right side
    1,253,266.40x = 666,700,283,320.19
  5. Step 5: Solve for x
    x = 666,700,283,320.19/1,253,266.40
  6. Step 6: Final answer
    x = 531,970.12

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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.