Home / 1,630,346.94-2,249,949.15-905,194.71

Finding the Fourth Proportional to 1,630,346.94, 2,249,949.15 and 905,194.71

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Solution

The fourth proportional to 1,630,346.94, 2,249,949.15 and 905,194.71 is: 1,249,207.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,346.94 : 2,249,949.15 = 905,194.71 : x
  2. Step 2: Convert to fraction form
    1,630,346.94/2,249,949.15 = 905,194.71/x
  3. Step 3: Cross multiply
    1,630,346.94x = 2,249,949.15 × 905,194.71
  4. Step 4: Simplify right side
    1,630,346.94x = 2,036,642,068,349.00
  5. Step 5: Solve for x
    x = 2,036,642,068,349.00/1,630,346.94
  6. Step 6: Final answer
    x = 1,249,207.77

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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.