Home / 1,492,247.20-2,238,111.60-545,130.40

Finding the Fourth Proportional to 1,492,247.20, 2,238,111.60 and 545,130.40

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Solution

The fourth proportional to 1,492,247.20, 2,238,111.60 and 545,130.40 is: 817,600.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,247.20 : 2,238,111.60 = 545,130.40 : x
  2. Step 2: Convert to fraction form
    1,492,247.20/2,238,111.60 = 545,130.40/x
  3. Step 3: Cross multiply
    1,492,247.20x = 2,238,111.60 × 545,130.40
  4. Step 4: Simplify right side
    1,492,247.20x = 1,220,062,671,752.64
  5. Step 5: Solve for x
    x = 1,220,062,671,752.64/1,492,247.20
  6. Step 6: Final answer
    x = 817,600.91

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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.