Home / 1,624,820.64-2,437,341.59-426,740.86

Finding the Fourth Proportional to 1,624,820.64, 2,437,341.59 and 426,740.86

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Solution

The fourth proportional to 1,624,820.64, 2,437,341.59 and 426,740.86 is: 640,140.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624,820.64 : 2,437,341.59 = 426,740.86 : x
  2. Step 2: Convert to fraction form
    1,624,820.64/2,437,341.59 = 426,740.86/x
  3. Step 3: Cross multiply
    1,624,820.64x = 2,437,341.59 × 426,740.86
  4. Step 4: Simplify right side
    1,624,820.64x = 1,040,113,246,230.37
  5. Step 5: Solve for x
    x = 1,040,113,246,230.37/1,624,820.64
  6. Step 6: Final answer
    x = 640,140.35

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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.