Home / 1,154,772.80-1,732,159.20-313,323.20

Finding the Fourth Proportional to 1,154,772.80, 1,732,159.20 and 313,323.20

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Solution

The fourth proportional to 1,154,772.80, 1,732,159.20 and 313,323.20 is: 469,984.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,772.80 : 1,732,159.20 = 313,323.20 : x
  2. Step 2: Convert to fraction form
    1,154,772.80/1,732,159.20 = 313,323.20/x
  3. Step 3: Cross multiply
    1,154,772.80x = 1,732,159.20 × 313,323.20
  4. Step 4: Simplify right side
    1,154,772.80x = 542,725,663,453.44
  5. Step 5: Solve for x
    x = 542,725,663,453.44/1,154,772.80
  6. Step 6: Final answer
    x = 469,984.80

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1.5x scale

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.