Home / 1,398,922.40-2,099,420.40-1,025,674.40

Finding the Fourth Proportional to 1,398,922.40, 2,099,420.40 and 1,025,674.40

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Solution

The fourth proportional to 1,398,922.40, 2,099,420.40 and 1,025,674.40 is: 1,539,271.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,922.40 : 2,099,420.40 = 1,025,674.40 : x
  2. Step 2: Convert to fraction form
    1,398,922.40/2,099,420.40 = 1,025,674.40/x
  3. Step 3: Cross multiply
    1,398,922.40x = 2,099,420.40 × 1,025,674.40
  4. Step 4: Simplify right side
    1,398,922.40x = 2,153,321,759,117.76
  5. Step 5: Solve for x
    x = 2,153,321,759,117.76/1,398,922.40
  6. Step 6: Final answer
    x = 1,539,271.77

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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.