Home / 993,477.60-1,490,216.40-890,834.40

Finding the Fourth Proportional to 993,477.60, 1,490,216.40 and 890,834.40

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Solution

The fourth proportional to 993,477.60, 1,490,216.40 and 890,834.40 is: 1,336,251.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,477.60 : 1,490,216.40 = 890,834.40 : x
  2. Step 2: Convert to fraction form
    993,477.60/1,490,216.40 = 890,834.40/x
  3. Step 3: Cross multiply
    993,477.60x = 1,490,216.40 × 890,834.40
  4. Step 4: Simplify right side
    993,477.60x = 1,327,536,032,564.16
  5. Step 5: Solve for x
    x = 1,327,536,032,564.16/993,477.60
  6. Step 6: Final answer
    x = 1,336,251.60

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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.