Home / 1,426,110.58-1,968,048.09-781,516.93

Finding the Fourth Proportional to 1,426,110.58, 1,968,048.09 and 781,516.93

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Solution

The fourth proportional to 1,426,110.58, 1,968,048.09 and 781,516.93 is: 1,078,501.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,110.58 : 1,968,048.09 = 781,516.93 : x
  2. Step 2: Convert to fraction form
    1,426,110.58/1,968,048.09 = 781,516.93/x
  3. Step 3: Cross multiply
    1,426,110.58x = 1,968,048.09 × 781,516.93
  4. Step 4: Simplify right side
    1,426,110.58x = 1,538,062,901,389.16
  5. Step 5: Solve for x
    x = 1,538,062,901,389.16/1,426,110.58
  6. Step 6: Final answer
    x = 1,078,501.85

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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.