Home / 1,348,792-1,861,386.42-775,831.48

Finding the Fourth Proportional to 1,348,792, 1,861,386.42 and 775,831.48

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Solution

The fourth proportional to 1,348,792, 1,861,386.42 and 775,831.48 is: 1,070,678.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,792 : 1,861,386.42 = 775,831.48 : x
  2. Step 2: Convert to fraction form
    1,348,792/1,861,386.42 = 775,831.48/x
  3. Step 3: Cross multiply
    1,348,792x = 1,861,386.42 × 775,831.48
  4. Step 4: Simplify right side
    1,348,792x = 1,444,122,181,080.50
  5. Step 5: Solve for x
    x = 1,444,122,181,080.50/1,348,792
  6. Step 6: Final answer
    x = 1,070,678.19

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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.