Home / 1,455,068.42-2,008,056.37-810,488.90

Finding the Fourth Proportional to 1,455,068.42, 2,008,056.37 and 810,488.90

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Solution

The fourth proportional to 1,455,068.42, 2,008,056.37 and 810,488.90 is: 1,118,509.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,068.42 : 2,008,056.37 = 810,488.90 : x
  2. Step 2: Convert to fraction form
    1,455,068.42/2,008,056.37 = 810,488.90/x
  3. Step 3: Cross multiply
    1,455,068.42x = 2,008,056.37 × 810,488.90
  4. Step 4: Simplify right side
    1,455,068.42x = 1,627,507,398,459.29
  5. Step 5: Solve for x
    x = 1,627,507,398,459.29/1,455,068.42
  6. Step 6: Final answer
    x = 1,118,509.19

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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.