Home / 1,788,230.40-2,681,762.40-666,153.60

Finding the Fourth Proportional to 1,788,230.40, 2,681,762.40 and 666,153.60

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Solution

The fourth proportional to 1,788,230.40, 2,681,762.40 and 666,153.60 is: 999,013.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,230.40 : 2,681,762.40 = 666,153.60 : x
  2. Step 2: Convert to fraction form
    1,788,230.40/2,681,762.40 = 666,153.60/x
  3. Step 3: Cross multiply
    1,788,230.40x = 2,681,762.40 × 666,153.60
  4. Step 4: Simplify right side
    1,788,230.40x = 1,786,465,677,104.64
  5. Step 5: Solve for x
    x = 1,786,465,677,104.64/1,788,230.40
  6. Step 6: Final answer
    x = 999,013.15

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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.