Home / 1,207,230.80-1,810,190.10-497,330.60

Finding the Fourth Proportional to 1,207,230.80, 1,810,190.10 and 497,330.60

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Solution

The fourth proportional to 1,207,230.80, 1,810,190.10 and 497,330.60 is: 745,725.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,230.80 : 1,810,190.10 = 497,330.60 : x
  2. Step 2: Convert to fraction form
    1,207,230.80/1,810,190.10 = 497,330.60/x
  3. Step 3: Cross multiply
    1,207,230.80x = 1,810,190.10 × 497,330.60
  4. Step 4: Simplify right side
    1,207,230.80x = 900,262,928,547.06
  5. Step 5: Solve for x
    x = 900,262,928,547.06/1,207,230.80
  6. Step 6: Final answer
    x = 745,725.61

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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.