Home / 1,620,194.40-2,430,291.60-498,263.40

Finding the Fourth Proportional to 1,620,194.40, 2,430,291.60 and 498,263.40

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Solution

The fourth proportional to 1,620,194.40, 2,430,291.60 and 498,263.40 is: 747,395.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,194.40 : 2,430,291.60 = 498,263.40 : x
  2. Step 2: Convert to fraction form
    1,620,194.40/2,430,291.60 = 498,263.40/x
  3. Step 3: Cross multiply
    1,620,194.40x = 2,430,291.60 × 498,263.40
  4. Step 4: Simplify right side
    1,620,194.40x = 1,210,925,355,607.44
  5. Step 5: Solve for x
    x = 1,210,925,355,607.44/1,620,194.40
  6. Step 6: Final answer
    x = 747,395.10

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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.