Home / 1,172,292.36-1,758,192.50-330,647.28

Finding the Fourth Proportional to 1,172,292.36, 1,758,192.50 and 330,647.28

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Solution

The fourth proportional to 1,172,292.36, 1,758,192.50 and 330,647.28 is: 495,901.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,292.36 : 1,758,192.50 = 330,647.28 : x
  2. Step 2: Convert to fraction form
    1,172,292.36/1,758,192.50 = 330,647.28/x
  3. Step 3: Cross multiply
    1,172,292.36x = 1,758,192.50 × 330,647.28
  4. Step 4: Simplify right side
    1,172,292.36x = 581,341,566,188.16
  5. Step 5: Solve for x
    x = 581,341,566,188.16/1,172,292.36
  6. Step 6: Final answer
    x = 495,901.52

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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.