Home / 1,121,453.30-1,547,551.50-637,972.94

Finding the Fourth Proportional to 1,121,453.30, 1,547,551.50 and 637,972.94

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Solution

The fourth proportional to 1,121,453.30, 1,547,551.50 and 637,972.94 is: 880,371.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,453.30 : 1,547,551.50 = 637,972.94 : x
  2. Step 2: Convert to fraction form
    1,121,453.30/1,547,551.50 = 637,972.94/x
  3. Step 3: Cross multiply
    1,121,453.30x = 1,547,551.50 × 637,972.94
  4. Step 4: Simplify right side
    1,121,453.30x = 987,295,980,256.41
  5. Step 5: Solve for x
    x = 987,295,980,256.41/1,121,453.30
  6. Step 6: Final answer
    x = 880,371.91

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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.