Home / 1,272,029.65-1,908,014.54-312,483.75

Finding the Fourth Proportional to 1,272,029.65, 1,908,014.54 and 312,483.75

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Solution

The fourth proportional to 1,272,029.65, 1,908,014.54 and 312,483.75 is: 468,718.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,029.65 : 1,908,014.54 = 312,483.75 : x
  2. Step 2: Convert to fraction form
    1,272,029.65/1,908,014.54 = 312,483.75/x
  3. Step 3: Cross multiply
    1,272,029.65x = 1,908,014.54 × 312,483.75
  4. Step 4: Simplify right side
    1,272,029.65x = 596,223,538,513.73
  5. Step 5: Solve for x
    x = 596,223,538,513.73/1,272,029.65
  6. Step 6: Final answer
    x = 468,718.27

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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.