Home / 989,664.76-1,367,018.55-732,065.32

Finding the Fourth Proportional to 989,664.76, 1,367,018.55 and 732,065.32

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Solution

The fourth proportional to 989,664.76, 1,367,018.55 and 732,065.32 is: 1,011,197.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,664.76 : 1,367,018.55 = 732,065.32 : x
  2. Step 2: Convert to fraction form
    989,664.76/1,367,018.55 = 732,065.32/x
  3. Step 3: Cross multiply
    989,664.76x = 1,367,018.55 × 732,065.32
  4. Step 4: Simplify right side
    989,664.76x = 1,000,746,872,251.69
  5. Step 5: Solve for x
    x = 1,000,746,872,251.69/989,664.76
  6. Step 6: Final answer
    x = 1,011,197.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.