Home / 994,579.20-1,488,369.60-910,598.40

Finding the Fourth Proportional to 994,579.20, 1,488,369.60 and 910,598.40

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Solution

The fourth proportional to 994,579.20, 1,488,369.60 and 910,598.40 is: 1,362,693.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,579.20 : 1,488,369.60 = 910,598.40 : x
  2. Step 2: Convert to fraction form
    994,579.20/1,488,369.60 = 910,598.40/x
  3. Step 3: Cross multiply
    994,579.20x = 1,488,369.60 × 910,598.40
  4. Step 4: Simplify right side
    994,579.20x = 1,355,306,976,368.64
  5. Step 5: Solve for x
    x = 1,355,306,976,368.64/994,579.20
  6. Step 6: Final answer
    x = 1,362,693.87

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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.