Home / 1,426,274.84-1,968,274.68-781,681.16

Finding the Fourth Proportional to 1,426,274.84, 1,968,274.68 and 781,681.16

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Solution

The fourth proportional to 1,426,274.84, 1,968,274.68 and 781,681.16 is: 1,078,728.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,274.84 : 1,968,274.68 = 781,681.16 : x
  2. Step 2: Convert to fraction form
    1,426,274.84/1,968,274.68 = 781,681.16/x
  3. Step 3: Cross multiply
    1,426,274.84x = 1,968,274.68 × 781,681.16
  4. Step 4: Simplify right side
    1,426,274.84x = 1,538,563,235,061.03
  5. Step 5: Solve for x
    x = 1,538,563,235,061.03/1,426,274.84
  6. Step 6: Final answer
    x = 1,078,728.44

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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.