Home / 1,663,043.60-2,496,023.40-988,281.20

Finding the Fourth Proportional to 1,663,043.60, 2,496,023.40 and 988,281.20

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Solution

The fourth proportional to 1,663,043.60, 2,496,023.40 and 988,281.20 is: 1,483,288.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,043.60 : 2,496,023.40 = 988,281.20 : x
  2. Step 2: Convert to fraction form
    1,663,043.60/2,496,023.40 = 988,281.20/x
  3. Step 3: Cross multiply
    1,663,043.60x = 2,496,023.40 × 988,281.20
  4. Step 4: Simplify right side
    1,663,043.60x = 2,466,773,000,980.08
  5. Step 5: Solve for x
    x = 2,466,773,000,980.08/1,663,043.60
  6. Step 6: Final answer
    x = 1,483,288.23

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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.