Home / 910,621.41-1,256,763.83-757,389.26

Finding the Fourth Proportional to 910,621.41, 1,256,763.83 and 757,389.26

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Solution

The fourth proportional to 910,621.41, 1,256,763.83 and 757,389.26 is: 1,045,285.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,621.41 : 1,256,763.83 = 757,389.26 : x
  2. Step 2: Convert to fraction form
    910,621.41/1,256,763.83 = 757,389.26/x
  3. Step 3: Cross multiply
    910,621.41x = 1,256,763.83 × 757,389.26
  4. Step 4: Simplify right side
    910,621.41x = 951,859,417,127.70
  5. Step 5: Solve for x
    x = 951,859,417,127.70/910,621.41
  6. Step 6: Final answer
    x = 1,045,285.57

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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.