Home / 1,005,335.64-1,509,077.84-406,688.16

Finding the Fourth Proportional to 1,005,335.64, 1,509,077.84 and 406,688.16

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Solution

The fourth proportional to 1,005,335.64, 1,509,077.84 and 406,688.16 is: 610,466.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,335.64 : 1,509,077.84 = 406,688.16 : x
  2. Step 2: Convert to fraction form
    1,005,335.64/1,509,077.84 = 406,688.16/x
  3. Step 3: Cross multiply
    1,005,335.64x = 1,509,077.84 × 406,688.16
  4. Step 4: Simplify right side
    1,005,335.64x = 613,724,090,046.37
  5. Step 5: Solve for x
    x = 613,724,090,046.37/1,005,335.64
  6. Step 6: Final answer
    x = 610,466.86

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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.