Home / 1,018,736.64-1,527,579.84-457,290.24

Finding the Fourth Proportional to 1,018,736.64, 1,527,579.84 and 457,290.24

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Solution

The fourth proportional to 1,018,736.64, 1,527,579.84 and 457,290.24 is: 685,699.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,736.64 : 1,527,579.84 = 457,290.24 : x
  2. Step 2: Convert to fraction form
    1,018,736.64/1,527,579.84 = 457,290.24/x
  3. Step 3: Cross multiply
    1,018,736.64x = 1,527,579.84 × 457,290.24
  4. Step 4: Simplify right side
    1,018,736.64x = 698,547,351,652.76
  5. Step 5: Solve for x
    x = 698,547,351,652.76/1,018,736.64
  6. Step 6: Final answer
    x = 685,699.64

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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.