Home / 1,371,716.10-2,057,574.15-867,831.30

Finding the Fourth Proportional to 1,371,716.10, 2,057,574.15 and 867,831.30

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Solution

The fourth proportional to 1,371,716.10, 2,057,574.15 and 867,831.30 is: 1,301,746.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,716.10 : 2,057,574.15 = 867,831.30 : x
  2. Step 2: Convert to fraction form
    1,371,716.10/2,057,574.15 = 867,831.30/x
  3. Step 3: Cross multiply
    1,371,716.10x = 2,057,574.15 × 867,831.30
  4. Step 4: Simplify right side
    1,371,716.10x = 1,785,627,249,440.90
  5. Step 5: Solve for x
    x = 1,785,627,249,440.90/1,371,716.10
  6. Step 6: Final answer
    x = 1,301,746.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.