Home / 1,333,807.60-1,840,829.70-760,716.40

Finding the Fourth Proportional to 1,333,807.60, 1,840,829.70 and 760,716.40

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Solution

The fourth proportional to 1,333,807.60, 1,840,829.70 and 760,716.40 is: 1,049,888.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,807.60 : 1,840,829.70 = 760,716.40 : x
  2. Step 2: Convert to fraction form
    1,333,807.60/1,840,829.70 = 760,716.40/x
  3. Step 3: Cross multiply
    1,333,807.60x = 1,840,829.70 × 760,716.40
  4. Step 4: Simplify right side
    1,333,807.60x = 1,400,349,340,647.69
  5. Step 5: Solve for x
    x = 1,400,349,340,647.69/1,333,807.60
  6. Step 6: Final answer
    x = 1,049,888.56

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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.