Home / 1,145,371.70-1,580,569.64-636,106.88

Finding the Fourth Proportional to 1,145,371.70, 1,580,569.64 and 636,106.88

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Solution

The fourth proportional to 1,145,371.70, 1,580,569.64 and 636,106.88 is: 877,803.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,371.70 : 1,580,569.64 = 636,106.88 : x
  2. Step 2: Convert to fraction form
    1,145,371.70/1,580,569.64 = 636,106.88/x
  3. Step 3: Cross multiply
    1,145,371.70x = 1,580,569.64 × 636,106.88
  4. Step 4: Simplify right side
    1,145,371.70x = 1,005,411,223,717.67
  5. Step 5: Solve for x
    x = 1,005,411,223,717.67/1,145,371.70
  6. Step 6: Final answer
    x = 877,803.44

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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.