Home / 1,492,024.70-2,238,698.49-781,883.90

Finding the Fourth Proportional to 1,492,024.70, 2,238,698.49 and 781,883.90

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Solution

The fourth proportional to 1,492,024.70, 2,238,698.49 and 781,883.90 is: 1,173,172.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,024.70 : 2,238,698.49 = 781,883.90 : x
  2. Step 2: Convert to fraction form
    1,492,024.70/2,238,698.49 = 781,883.90/x
  3. Step 3: Cross multiply
    1,492,024.70x = 2,238,698.49 × 781,883.90
  4. Step 4: Simplify right side
    1,492,024.70x = 1,750,402,306,285.31
  5. Step 5: Solve for x
    x = 1,750,402,306,285.31/1,492,024.70
  6. Step 6: Final answer
    x = 1,173,172.47

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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.