Home / 1,018,271.87-1,405,216.11-559,416.16

Finding the Fourth Proportional to 1,018,271.87, 1,405,216.11 and 559,416.16

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Solution

The fourth proportional to 1,018,271.87, 1,405,216.11 and 559,416.16 is: 771,994.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,271.87 : 1,405,216.11 = 559,416.16 : x
  2. Step 2: Convert to fraction form
    1,018,271.87/1,405,216.11 = 559,416.16/x
  3. Step 3: Cross multiply
    1,018,271.87x = 1,405,216.11 × 559,416.16
  4. Step 4: Simplify right side
    1,018,271.87x = 786,100,600,226.34
  5. Step 5: Solve for x
    x = 786,100,600,226.34/1,018,271.87
  6. Step 6: Final answer
    x = 771,994.81

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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.