Home / 1,312,374.08-1,964,116.16-807,254.80

Finding the Fourth Proportional to 1,312,374.08, 1,964,116.16 and 807,254.80

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Solution

The fourth proportional to 1,312,374.08, 1,964,116.16 and 807,254.80 is: 1,208,148.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,374.08 : 1,964,116.16 = 807,254.80 : x
  2. Step 2: Convert to fraction form
    1,312,374.08/1,964,116.16 = 807,254.80/x
  3. Step 3: Cross multiply
    1,312,374.08x = 1,964,116.16 × 807,254.80
  4. Step 4: Simplify right side
    1,312,374.08x = 1,585,542,197,917.57
  5. Step 5: Solve for x
    x = 1,585,542,197,917.57/1,312,374.08
  6. Step 6: Final answer
    x = 1,208,148.06

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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.