Home / 1,252,417.42-1,728,221.79-708,602.86

Finding the Fourth Proportional to 1,252,417.42, 1,728,221.79 and 708,602.86

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Solution

The fourth proportional to 1,252,417.42, 1,728,221.79 and 708,602.86 is: 977,807.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,417.42 : 1,728,221.79 = 708,602.86 : x
  2. Step 2: Convert to fraction form
    1,252,417.42/1,728,221.79 = 708,602.86/x
  3. Step 3: Cross multiply
    1,252,417.42x = 1,728,221.79 × 708,602.86
  4. Step 4: Simplify right side
    1,252,417.42x = 1,224,622,898,787.77
  5. Step 5: Solve for x
    x = 1,224,622,898,787.77/1,252,417.42
  6. Step 6: Final answer
    x = 977,807.30

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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.