Home / 1,152,079.30-1,728,118.95-965,455.30

Finding the Fourth Proportional to 1,152,079.30, 1,728,118.95 and 965,455.30

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Solution

The fourth proportional to 1,152,079.30, 1,728,118.95 and 965,455.30 is: 1,448,182.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,079.30 : 1,728,118.95 = 965,455.30 : x
  2. Step 2: Convert to fraction form
    1,152,079.30/1,728,118.95 = 965,455.30/x
  3. Step 3: Cross multiply
    1,152,079.30x = 1,728,118.95 × 965,455.30
  4. Step 4: Simplify right side
    1,152,079.30x = 1,668,421,599,307.94
  5. Step 5: Solve for x
    x = 1,668,421,599,307.94/1,152,079.30
  6. Step 6: Final answer
    x = 1,448,182.95

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Double scale
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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.