Home / 1,638,443.60-2,457,665.40-456,491.60

Finding the Fourth Proportional to 1,638,443.60, 2,457,665.40 and 456,491.60

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Solution

The fourth proportional to 1,638,443.60, 2,457,665.40 and 456,491.60 is: 684,737.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,443.60 : 2,457,665.40 = 456,491.60 : x
  2. Step 2: Convert to fraction form
    1,638,443.60/2,457,665.40 = 456,491.60/x
  3. Step 3: Cross multiply
    1,638,443.60x = 2,457,665.40 × 456,491.60
  4. Step 4: Simplify right side
    1,638,443.60x = 1,121,903,610,710.64
  5. Step 5: Solve for x
    x = 1,121,903,610,710.64/1,638,443.60
  6. Step 6: Final answer
    x = 684,737.40

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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.