Home / 1,386,732.01-1,913,653.46-774,889.80

Finding the Fourth Proportional to 1,386,732.01, 1,913,653.46 and 774,889.80

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Solution

The fourth proportional to 1,386,732.01, 1,913,653.46 and 774,889.80 is: 1,069,327.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,732.01 : 1,913,653.46 = 774,889.80 : x
  2. Step 2: Convert to fraction form
    1,386,732.01/1,913,653.46 = 774,889.80/x
  3. Step 3: Cross multiply
    1,386,732.01x = 1,913,653.46 × 774,889.80
  4. Step 4: Simplify right side
    1,386,732.01x = 1,482,870,536,201.33
  5. Step 5: Solve for x
    x = 1,482,870,536,201.33/1,386,732.01
  6. Step 6: Final answer
    x = 1,069,327.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.