Home / 1,630,355.06-2,249,947.38-905,213.90

Finding the Fourth Proportional to 1,630,355.06, 2,249,947.38 and 905,213.90

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Solution

The fourth proportional to 1,630,355.06, 2,249,947.38 and 905,213.90 is: 1,249,227.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,355.06 : 2,249,947.38 = 905,213.90 : x
  2. Step 2: Convert to fraction form
    1,630,355.06/2,249,947.38 = 905,213.90/x
  3. Step 3: Cross multiply
    1,630,355.06x = 2,249,947.38 × 905,213.90
  4. Step 4: Simplify right side
    1,630,355.06x = 2,036,683,631,394.85
  5. Step 5: Solve for x
    x = 2,036,683,631,394.85/1,630,355.06
  6. Step 6: Final answer
    x = 1,249,227.05

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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.