Home / 1,409,125.92-2,113,923.60-462,242.40

Finding the Fourth Proportional to 1,409,125.92, 2,113,923.60 and 462,242.40

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Solution

The fourth proportional to 1,409,125.92, 2,113,923.60 and 462,242.40 is: 693,440.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,125.92 : 2,113,923.60 = 462,242.40 : x
  2. Step 2: Convert to fraction form
    1,409,125.92/2,113,923.60 = 462,242.40/x
  3. Step 3: Cross multiply
    1,409,125.92x = 2,113,923.60 × 462,242.40
  4. Step 4: Simplify right side
    1,409,125.92x = 977,145,118,280.64
  5. Step 5: Solve for x
    x = 977,145,118,280.64/1,409,125.92
  6. Step 6: Final answer
    x = 693,440.60

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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.