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Finding the Fourth Proportional to 1,237,804, 1,708,729.08 and 779,592

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Solution

The fourth proportional to 1,237,804, 1,708,729.08 and 779,592 is: 1,076,189.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,804 : 1,708,729.08 = 779,592 : x
  2. Step 2: Convert to fraction form
    1,237,804/1,708,729.08 = 779,592/x
  3. Step 3: Cross multiply
    1,237,804x = 1,708,729.08 × 779,592
  4. Step 4: Simplify right side
    1,237,804x = 1,332,111,520,935.36
  5. Step 5: Solve for x
    x = 1,332,111,520,935.36/1,237,804
  6. Step 6: Final answer
    x = 1,076,189.38

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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.