Home / 1,023,622.40-1,535,433.60-490,869.20

Finding the Fourth Proportional to 1,023,622.40, 1,535,433.60 and 490,869.20

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Solution

The fourth proportional to 1,023,622.40, 1,535,433.60 and 490,869.20 is: 736,303.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,622.40 : 1,535,433.60 = 490,869.20 : x
  2. Step 2: Convert to fraction form
    1,023,622.40/1,535,433.60 = 490,869.20/x
  3. Step 3: Cross multiply
    1,023,622.40x = 1,535,433.60 × 490,869.20
  4. Step 4: Simplify right side
    1,023,622.40x = 753,697,062,885.12
  5. Step 5: Solve for x
    x = 753,697,062,885.12/1,023,622.40
  6. Step 6: Final answer
    x = 736,303.80

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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.