Home / 1,246,913.16-1,869,788.43-647,713.50

Finding the Fourth Proportional to 1,246,913.16, 1,869,788.43 and 647,713.50

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Solution

The fourth proportional to 1,246,913.16, 1,869,788.43 and 647,713.50 is: 971,268.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,913.16 : 1,869,788.43 = 647,713.50 : x
  2. Step 2: Convert to fraction form
    1,246,913.16/1,869,788.43 = 647,713.50/x
  3. Step 3: Cross multiply
    1,246,913.16x = 1,869,788.43 × 647,713.50
  4. Step 4: Simplify right side
    1,246,913.16x = 1,211,087,208,254.81
  5. Step 5: Solve for x
    x = 1,211,087,208,254.81/1,246,913.16
  6. Step 6: Final answer
    x = 971,268.29

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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.