Home / 1,247,328.19-1,721,312.71-674,368.37

Finding the Fourth Proportional to 1,247,328.19, 1,721,312.71 and 674,368.37

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Solution

The fourth proportional to 1,247,328.19, 1,721,312.71 and 674,368.37 is: 930,628.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,328.19 : 1,721,312.71 = 674,368.37 : x
  2. Step 2: Convert to fraction form
    1,247,328.19/1,721,312.71 = 674,368.37/x
  3. Step 3: Cross multiply
    1,247,328.19x = 1,721,312.71 × 674,368.37
  4. Step 4: Simplify right side
    1,247,328.19x = 1,160,798,846,502.98
  5. Step 5: Solve for x
    x = 1,160,798,846,502.98/1,247,328.19
  6. Step 6: Final answer
    x = 930,628.25

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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.