Home / 1,433,681.61-1,978,465.40-789,087.96

Finding the Fourth Proportional to 1,433,681.61, 1,978,465.40 and 789,087.96

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Solution

The fourth proportional to 1,433,681.61, 1,978,465.40 and 789,087.96 is: 1,088,933.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,681.61 : 1,978,465.40 = 789,087.96 : x
  2. Step 2: Convert to fraction form
    1,433,681.61/1,978,465.40 = 789,087.96/x
  3. Step 3: Cross multiply
    1,433,681.61x = 1,978,465.40 × 789,087.96
  4. Step 4: Simplify right side
    1,433,681.61x = 1,561,183,225,430.22
  5. Step 5: Solve for x
    x = 1,561,183,225,430.22/1,433,681.61
  6. Step 6: Final answer
    x = 1,088,933.01

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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.