Home / 1,426,041.87-1,967,939.16-781,463.49

Finding the Fourth Proportional to 1,426,041.87, 1,967,939.16 and 781,463.49

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Solution

The fourth proportional to 1,426,041.87, 1,967,939.16 and 781,463.49 is: 1,078,420.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,041.87 : 1,967,939.16 = 781,463.49 : x
  2. Step 2: Convert to fraction form
    1,426,041.87/1,967,939.16 = 781,463.49/x
  3. Step 3: Cross multiply
    1,426,041.87x = 1,967,939.16 × 781,463.49
  4. Step 4: Simplify right side
    1,426,041.87x = 1,537,872,604,081.27
  5. Step 5: Solve for x
    x = 1,537,872,604,081.27/1,426,041.87
  6. Step 6: Final answer
    x = 1,078,420.37

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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.