Home / 1,426,973.21-1,969,284.53-853,903.07

Finding the Fourth Proportional to 1,426,973.21, 1,969,284.53 and 853,903.07

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Solution

The fourth proportional to 1,426,973.21, 1,969,284.53 and 853,903.07 is: 1,178,423.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,973.21 : 1,969,284.53 = 853,903.07 : x
  2. Step 2: Convert to fraction form
    1,426,973.21/1,969,284.53 = 853,903.07/x
  3. Step 3: Cross multiply
    1,426,973.21x = 1,969,284.53 × 853,903.07
  4. Step 4: Simplify right side
    1,426,973.21x = 1,681,578,105,870.51
  5. Step 5: Solve for x
    x = 1,681,578,105,870.51/1,426,973.21
  6. Step 6: Final answer
    x = 1,178,423.04

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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.