Home / 1,657,389.66-2,486,073.56-426,395.72

Finding the Fourth Proportional to 1,657,389.66, 2,486,073.56 and 426,395.72

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Solution

The fourth proportional to 1,657,389.66, 2,486,073.56 and 426,395.72 is: 639,590.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,389.66 : 2,486,073.56 = 426,395.72 : x
  2. Step 2: Convert to fraction form
    1,657,389.66/2,486,073.56 = 426,395.72/x
  3. Step 3: Cross multiply
    1,657,389.66x = 2,486,073.56 × 426,395.72
  4. Step 4: Simplify right side
    1,657,389.66x = 1,060,051,111,026.82
  5. Step 5: Solve for x
    x = 1,060,051,111,026.82/1,657,389.66
  6. Step 6: Final answer
    x = 639,590.76

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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.