Home / 1,000,664.21-1,501,276.89-402,045.68

Finding the Fourth Proportional to 1,000,664.21, 1,501,276.89 and 402,045.68

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Solution

The fourth proportional to 1,000,664.21, 1,501,276.89 and 402,045.68 is: 603,181.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,664.21 : 1,501,276.89 = 402,045.68 : x
  2. Step 2: Convert to fraction form
    1,000,664.21/1,501,276.89 = 402,045.68/x
  3. Step 3: Cross multiply
    1,000,664.21x = 1,501,276.89 × 402,045.68
  4. Step 4: Simplify right side
    1,000,664.21x = 603,581,888,108.34
  5. Step 5: Solve for x
    x = 603,581,888,108.34/1,000,664.21
  6. Step 6: Final answer
    x = 603,181.25

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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.