Home / 1,485,013.90-2,049,320.02-805,950.40

Finding the Fourth Proportional to 1,485,013.90, 2,049,320.02 and 805,950.40

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Solution

The fourth proportional to 1,485,013.90, 2,049,320.02 and 805,950.40 is: 1,112,212.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,013.90 : 2,049,320.02 = 805,950.40 : x
  2. Step 2: Convert to fraction form
    1,485,013.90/2,049,320.02 = 805,950.40/x
  3. Step 3: Cross multiply
    1,485,013.90x = 2,049,320.02 × 805,950.40
  4. Step 4: Simplify right side
    1,485,013.90x = 1,651,650,284,723.71
  5. Step 5: Solve for x
    x = 1,651,650,284,723.71/1,485,013.90
  6. Step 6: Final answer
    x = 1,112,212.01

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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.