Home / 1,404,041.40-2,106,062.10-766,312.20

Finding the Fourth Proportional to 1,404,041.40, 2,106,062.10 and 766,312.20

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Solution

The fourth proportional to 1,404,041.40, 2,106,062.10 and 766,312.20 is: 1,149,468.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,041.40 : 2,106,062.10 = 766,312.20 : x
  2. Step 2: Convert to fraction form
    1,404,041.40/2,106,062.10 = 766,312.20/x
  3. Step 3: Cross multiply
    1,404,041.40x = 2,106,062.10 × 766,312.20
  4. Step 4: Simplify right side
    1,404,041.40x = 1,613,901,081,187.62
  5. Step 5: Solve for x
    x = 1,613,901,081,187.62/1,404,041.40
  6. Step 6: Final answer
    x = 1,149,468.30

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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.