Home / 1,196,328.07-1,649,999.32-766,648.18

Finding the Fourth Proportional to 1,196,328.07, 1,649,999.32 and 766,648.18

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Solution

The fourth proportional to 1,196,328.07, 1,649,999.32 and 766,648.18 is: 1,057,376.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,328.07 : 1,649,999.32 = 766,648.18 : x
  2. Step 2: Convert to fraction form
    1,196,328.07/1,649,999.32 = 766,648.18/x
  3. Step 3: Cross multiply
    1,196,328.07x = 1,649,999.32 × 766,648.18
  4. Step 4: Simplify right side
    1,196,328.07x = 1,264,968,975,679.24
  5. Step 5: Solve for x
    x = 1,264,968,975,679.24/1,196,328.07
  6. Step 6: Final answer
    x = 1,057,376.32

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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.