Home / 1,308,967.80-1,963,451.85-410,488.05

Finding the Fourth Proportional to 1,308,967.80, 1,963,451.85 and 410,488.05

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Solution

The fourth proportional to 1,308,967.80, 1,963,451.85 and 410,488.05 is: 615,732.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,967.80 : 1,963,451.85 = 410,488.05 : x
  2. Step 2: Convert to fraction form
    1,308,967.80/1,963,451.85 = 410,488.05/x
  3. Step 3: Cross multiply
    1,308,967.80x = 1,963,451.85 × 410,488.05
  4. Step 4: Simplify right side
    1,308,967.80x = 805,973,526,999.01
  5. Step 5: Solve for x
    x = 805,973,526,999.01/1,308,967.80
  6. Step 6: Final answer
    x = 615,732.13

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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.