Home / 1,553,325.32-2,143,075.22-908,288.81

Finding the Fourth Proportional to 1,553,325.32, 2,143,075.22 and 908,288.81

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Solution

The fourth proportional to 1,553,325.32, 2,143,075.22 and 908,288.81 is: 1,253,138.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,325.32 : 2,143,075.22 = 908,288.81 : x
  2. Step 2: Convert to fraction form
    1,553,325.32/2,143,075.22 = 908,288.81/x
  3. Step 3: Cross multiply
    1,553,325.32x = 2,143,075.22 × 908,288.81
  4. Step 4: Simplify right side
    1,553,325.32x = 1,946,531,237,500.08
  5. Step 5: Solve for x
    x = 1,946,531,237,500.08/1,553,325.32
  6. Step 6: Final answer
    x = 1,253,138.16

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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.