Home / 1,018,815.77-1,405,874.27-559,925.33

Finding the Fourth Proportional to 1,018,815.77, 1,405,874.27 and 559,925.33

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Solution

The fourth proportional to 1,018,815.77, 1,405,874.27 and 559,925.33 is: 772,646.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,815.77 : 1,405,874.27 = 559,925.33 : x
  2. Step 2: Convert to fraction form
    1,018,815.77/1,405,874.27 = 559,925.33/x
  3. Step 3: Cross multiply
    1,018,815.77x = 1,405,874.27 × 559,925.33
  4. Step 4: Simplify right side
    1,018,815.77x = 787,184,608,938.70
  5. Step 5: Solve for x
    x = 787,184,608,938.70/1,018,815.77
  6. Step 6: Final answer
    x = 772,646.67

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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.