Home / 1,197,409.28-1,652,409.60-660,830.72

Finding the Fourth Proportional to 1,197,409.28, 1,652,409.60 and 660,830.72

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Solution

The fourth proportional to 1,197,409.28, 1,652,409.60 and 660,830.72 is: 911,938.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,409.28 : 1,652,409.60 = 660,830.72 : x
  2. Step 2: Convert to fraction form
    1,197,409.28/1,652,409.60 = 660,830.72/x
  3. Step 3: Cross multiply
    1,197,409.28x = 1,652,409.60 × 660,830.72
  4. Step 4: Simplify right side
    1,197,409.28x = 1,091,963,025,702.91
  5. Step 5: Solve for x
    x = 1,091,963,025,702.91/1,197,409.28
  6. Step 6: Final answer
    x = 911,938.00

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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.