Home / 1,053,110.77-1,453,299.94-645,213.40

Finding the Fourth Proportional to 1,053,110.77, 1,453,299.94 and 645,213.40

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Solution

The fourth proportional to 1,053,110.77, 1,453,299.94 and 645,213.40 is: 890,398.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,110.77 : 1,453,299.94 = 645,213.40 : x
  2. Step 2: Convert to fraction form
    1,053,110.77/1,453,299.94 = 645,213.40/x
  3. Step 3: Cross multiply
    1,053,110.77x = 1,453,299.94 × 645,213.40
  4. Step 4: Simplify right side
    1,053,110.77x = 937,688,592,680.46
  5. Step 5: Solve for x
    x = 937,688,592,680.46/1,053,110.77
  6. Step 6: Final answer
    x = 890,398.83

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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.