Home / 1,254,457.10-1,731,299.20-745,161.50

Finding the Fourth Proportional to 1,254,457.10, 1,731,299.20 and 745,161.50

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Solution

The fourth proportional to 1,254,457.10, 1,731,299.20 and 745,161.50 is: 1,028,411.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,457.10 : 1,731,299.20 = 745,161.50 : x
  2. Step 2: Convert to fraction form
    1,254,457.10/1,731,299.20 = 745,161.50/x
  3. Step 3: Cross multiply
    1,254,457.10x = 1,731,299.20 × 745,161.50
  4. Step 4: Simplify right side
    1,254,457.10x = 1,290,097,508,820.80
  5. Step 5: Solve for x
    x = 1,290,097,508,820.80/1,254,457.10
  6. Step 6: Final answer
    x = 1,028,411.02

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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.