Home / 1,426,528.90-2,139,793.35-922,644.10

Finding the Fourth Proportional to 1,426,528.90, 2,139,793.35 and 922,644.10

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Solution

The fourth proportional to 1,426,528.90, 2,139,793.35 and 922,644.10 is: 1,383,966.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,528.90 : 2,139,793.35 = 922,644.10 : x
  2. Step 2: Convert to fraction form
    1,426,528.90/2,139,793.35 = 922,644.10/x
  3. Step 3: Cross multiply
    1,426,528.90x = 2,139,793.35 × 922,644.10
  4. Step 4: Simplify right side
    1,426,528.90x = 1,974,267,709,596.74
  5. Step 5: Solve for x
    x = 1,974,267,709,596.74/1,426,528.90
  6. Step 6: Final answer
    x = 1,383,966.15

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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.