Home / 1,345,108.06-2,018,256.36-705,258.82

Finding the Fourth Proportional to 1,345,108.06, 2,018,256.36 and 705,258.82

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Solution

The fourth proportional to 1,345,108.06, 2,018,256.36 and 705,258.82 is: 1,058,199.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,108.06 : 2,018,256.36 = 705,258.82 : x
  2. Step 2: Convert to fraction form
    1,345,108.06/2,018,256.36 = 705,258.82/x
  3. Step 3: Cross multiply
    1,345,108.06x = 2,018,256.36 × 705,258.82
  4. Step 4: Simplify right side
    1,345,108.06x = 1,423,393,098,911.10
  5. Step 5: Solve for x
    x = 1,423,393,098,911.10/1,345,108.06
  6. Step 6: Final answer
    x = 1,058,199.81

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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.