Home / 1,313,048.57-1,812,020.82-740,088.74

Finding the Fourth Proportional to 1,313,048.57, 1,812,020.82 and 740,088.74

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Solution

The fourth proportional to 1,313,048.57, 1,812,020.82 and 740,088.74 is: 1,021,330.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,048.57 : 1,812,020.82 = 740,088.74 : x
  2. Step 2: Convert to fraction form
    1,313,048.57/1,812,020.82 = 740,088.74/x
  3. Step 3: Cross multiply
    1,313,048.57x = 1,812,020.82 × 740,088.74
  4. Step 4: Simplify right side
    1,313,048.57x = 1,341,056,196,467.46
  5. Step 5: Solve for x
    x = 1,341,056,196,467.46/1,313,048.57
  6. Step 6: Final answer
    x = 1,021,330.23

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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.