Home / 1,484,840.81-2,049,081.64-805,777.31

Finding the Fourth Proportional to 1,484,840.81, 2,049,081.64 and 805,777.31

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Solution

The fourth proportional to 1,484,840.81, 2,049,081.64 and 805,777.31 is: 1,111,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484,840.81 : 2,049,081.64 = 805,777.31 : x
  2. Step 2: Convert to fraction form
    1,484,840.81/2,049,081.64 = 805,777.31/x
  3. Step 3: Cross multiply
    1,484,840.81x = 2,049,081.64 × 805,777.31
  4. Step 4: Simplify right side
    1,484,840.81x = 1,651,103,487,820.70
  5. Step 5: Solve for x
    x = 1,651,103,487,820.70/1,484,840.81
  6. Step 6: Final answer
    x = 1,111,973.40

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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.