Home / 1,207,660.40-1,811,490.60-497,452.40

Finding the Fourth Proportional to 1,207,660.40, 1,811,490.60 and 497,452.40

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Solution

The fourth proportional to 1,207,660.40, 1,811,490.60 and 497,452.40 is: 746,178.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,660.40 : 1,811,490.60 = 497,452.40 : x
  2. Step 2: Convert to fraction form
    1,207,660.40/1,811,490.60 = 497,452.40/x
  3. Step 3: Cross multiply
    1,207,660.40x = 1,811,490.60 × 497,452.40
  4. Step 4: Simplify right side
    1,207,660.40x = 901,130,346,547.44
  5. Step 5: Solve for x
    x = 901,130,346,547.44/1,207,660.40
  6. Step 6: Final answer
    x = 746,178.60

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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.