Home / 1,108,490.57-1,529,762.36-700,443.52

Finding the Fourth Proportional to 1,108,490.57, 1,529,762.36 and 700,443.52

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Solution

The fourth proportional to 1,108,490.57, 1,529,762.36 and 700,443.52 is: 966,640.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,490.57 : 1,529,762.36 = 700,443.52 : x
  2. Step 2: Convert to fraction form
    1,108,490.57/1,529,762.36 = 700,443.52/x
  3. Step 3: Cross multiply
    1,108,490.57x = 1,529,762.36 × 700,443.52
  4. Step 4: Simplify right side
    1,108,490.57x = 1,071,512,124,875.28
  5. Step 5: Solve for x
    x = 1,071,512,124,875.28/1,108,490.57
  6. Step 6: Final answer
    x = 966,640.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.