Home / 1,070,296.02-1,605,680.18-312,196.80

Finding the Fourth Proportional to 1,070,296.02, 1,605,680.18 and 312,196.80

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Solution

The fourth proportional to 1,070,296.02, 1,605,680.18 and 312,196.80 is: 468,364.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,296.02 : 1,605,680.18 = 312,196.80 : x
  2. Step 2: Convert to fraction form
    1,070,296.02/1,605,680.18 = 312,196.80/x
  3. Step 3: Cross multiply
    1,070,296.02x = 1,605,680.18 × 312,196.80
  4. Step 4: Simplify right side
    1,070,296.02x = 501,288,212,458.44
  5. Step 5: Solve for x
    x = 501,288,212,458.44/1,070,296.02
  6. Step 6: Final answer
    x = 468,364.08

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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.