Home / 1,630,360.50-2,249,967.77-905,208.32

Finding the Fourth Proportional to 1,630,360.50, 2,249,967.77 and 905,208.32

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Solution

The fourth proportional to 1,630,360.50, 2,249,967.77 and 905,208.32 is: 1,249,226.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,360.50 : 2,249,967.77 = 905,208.32 : x
  2. Step 2: Convert to fraction form
    1,630,360.50/2,249,967.77 = 905,208.32/x
  3. Step 3: Cross multiply
    1,630,360.50x = 2,249,967.77 × 905,208.32
  4. Step 4: Simplify right side
    1,630,360.50x = 2,036,689,529,359.97
  5. Step 5: Solve for x
    x = 2,036,689,529,359.97/1,630,360.50
  6. Step 6: Final answer
    x = 1,249,226.49

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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.