Home / 975,279.40-1,462,919.10-817,815.40

Finding the Fourth Proportional to 975,279.40, 1,462,919.10 and 817,815.40

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Solution

The fourth proportional to 975,279.40, 1,462,919.10 and 817,815.40 is: 1,226,723.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,279.40 : 1,462,919.10 = 817,815.40 : x
  2. Step 2: Convert to fraction form
    975,279.40/1,462,919.10 = 817,815.40/x
  3. Step 3: Cross multiply
    975,279.40x = 1,462,919.10 × 817,815.40
  4. Step 4: Simplify right side
    975,279.40x = 1,196,397,768,934.14
  5. Step 5: Solve for x
    x = 1,196,397,768,934.14/975,279.40
  6. Step 6: Final answer
    x = 1,226,723.10

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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.