Home / 1,739,120.08-2,607,457.78-766,022.55

Finding the Fourth Proportional to 1,739,120.08, 2,607,457.78 and 766,022.55

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Solution

The fourth proportional to 1,739,120.08, 2,607,457.78 and 766,022.55 is: 1,148,495.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739,120.08 : 2,607,457.78 = 766,022.55 : x
  2. Step 2: Convert to fraction form
    1,739,120.08/2,607,457.78 = 766,022.55/x
  3. Step 3: Cross multiply
    1,739,120.08x = 2,607,457.78 × 766,022.55
  4. Step 4: Simplify right side
    1,739,120.08x = 1,997,371,459,884.51
  5. Step 5: Solve for x
    x = 1,997,371,459,884.51/1,739,120.08
  6. Step 6: Final answer
    x = 1,148,495.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.