Home / 1,386,295.16-2,079,641.11-426,831.94

Finding the Fourth Proportional to 1,386,295.16, 2,079,641.11 and 426,831.94

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Solution

The fourth proportional to 1,386,295.16, 2,079,641.11 and 426,831.94 is: 640,308.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,295.16 : 2,079,641.11 = 426,831.94 : x
  2. Step 2: Convert to fraction form
    1,386,295.16/2,079,641.11 = 426,831.94/x
  3. Step 3: Cross multiply
    1,386,295.16x = 2,079,641.11 × 426,831.94
  4. Step 4: Simplify right side
    1,386,295.16x = 887,657,243,218.87
  5. Step 5: Solve for x
    x = 887,657,243,218.87/1,386,295.16
  6. Step 6: Final answer
    x = 640,308.98

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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.