Home / 1,313,155.85-1,812,102.58-740,315.03

Finding the Fourth Proportional to 1,313,155.85, 1,812,102.58 and 740,315.03

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Solution

The fourth proportional to 1,313,155.85, 1,812,102.58 and 740,315.03 is: 1,021,605.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,155.85 : 1,812,102.58 = 740,315.03 : x
  2. Step 2: Convert to fraction form
    1,313,155.85/1,812,102.58 = 740,315.03/x
  3. Step 3: Cross multiply
    1,313,155.85x = 1,812,102.58 × 740,315.03
  4. Step 4: Simplify right side
    1,313,155.85x = 1,341,526,775,875.78
  5. Step 5: Solve for x
    x = 1,341,526,775,875.78/1,313,155.85
  6. Step 6: Final answer
    x = 1,021,605.15

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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.