Home / 1,650,475.32-2,475,502.38-638,905.01

Finding the Fourth Proportional to 1,650,475.32, 2,475,502.38 and 638,905.01

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Solution

The fourth proportional to 1,650,475.32, 2,475,502.38 and 638,905.01 is: 958,275.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650,475.32 : 2,475,502.38 = 638,905.01 : x
  2. Step 2: Convert to fraction form
    1,650,475.32/2,475,502.38 = 638,905.01/x
  3. Step 3: Cross multiply
    1,650,475.32x = 2,475,502.38 × 638,905.01
  4. Step 4: Simplify right side
    1,650,475.32x = 1,581,610,860,471.41
  5. Step 5: Solve for x
    x = 1,581,610,860,471.41/1,650,475.32
  6. Step 6: Final answer
    x = 958,275.98

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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.