Home / 1,455,425.40-2,183,138.10-657,607.80

Finding the Fourth Proportional to 1,455,425.40, 2,183,138.10 and 657,607.80

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Solution

The fourth proportional to 1,455,425.40, 2,183,138.10 and 657,607.80 is: 986,411.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,425.40 : 2,183,138.10 = 657,607.80 : x
  2. Step 2: Convert to fraction form
    1,455,425.40/2,183,138.10 = 657,607.80/x
  3. Step 3: Cross multiply
    1,455,425.40x = 2,183,138.10 × 657,607.80
  4. Step 4: Simplify right side
    1,455,425.40x = 1,435,648,643,037.18
  5. Step 5: Solve for x
    x = 1,435,648,643,037.18/1,455,425.40
  6. Step 6: Final answer
    x = 986,411.70

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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.