Home / 1,025,073.40-1,537,756.84-315,161.04

Finding the Fourth Proportional to 1,025,073.40, 1,537,756.84 and 315,161.04

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Solution

The fourth proportional to 1,025,073.40, 1,537,756.84 and 315,161.04 is: 472,786.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,073.40 : 1,537,756.84 = 315,161.04 : x
  2. Step 2: Convert to fraction form
    1,025,073.40/1,537,756.84 = 315,161.04/x
  3. Step 3: Cross multiply
    1,025,073.40x = 1,537,756.84 × 315,161.04
  4. Step 4: Simplify right side
    1,025,073.40x = 484,641,044,961.51
  5. Step 5: Solve for x
    x = 484,641,044,961.51/1,025,073.40
  6. Step 6: Final answer
    x = 472,786.68

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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.