Home / 1,161,467.52-1,602,870.44-645,260.40

Finding the Fourth Proportional to 1,161,467.52, 1,602,870.44 and 645,260.40

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Solution

The fourth proportional to 1,161,467.52, 1,602,870.44 and 645,260.40 is: 890,484.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,467.52 : 1,602,870.44 = 645,260.40 : x
  2. Step 2: Convert to fraction form
    1,161,467.52/1,602,870.44 = 645,260.40/x
  3. Step 3: Cross multiply
    1,161,467.52x = 1,602,870.44 × 645,260.40
  4. Step 4: Simplify right side
    1,161,467.52x = 1,034,268,821,262.58
  5. Step 5: Solve for x
    x = 1,034,268,821,262.58/1,161,467.52
  6. Step 6: Final answer
    x = 890,484.50

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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.