Home / 1,078,308.80-1,617,463.20-517,054.40

Finding the Fourth Proportional to 1,078,308.80, 1,617,463.20 and 517,054.40

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Solution

The fourth proportional to 1,078,308.80, 1,617,463.20 and 517,054.40 is: 775,581.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,308.80 : 1,617,463.20 = 517,054.40 : x
  2. Step 2: Convert to fraction form
    1,078,308.80/1,617,463.20 = 517,054.40/x
  3. Step 3: Cross multiply
    1,078,308.80x = 1,617,463.20 × 517,054.40
  4. Step 4: Simplify right side
    1,078,308.80x = 836,316,464,398.08
  5. Step 5: Solve for x
    x = 836,316,464,398.08/1,078,308.80
  6. Step 6: Final answer
    x = 775,581.60

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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.