Home / 1,366,901.30-1,886,285.40-755,042.70

Finding the Fourth Proportional to 1,366,901.30, 1,886,285.40 and 755,042.70

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Solution

The fourth proportional to 1,366,901.30, 1,886,285.40 and 755,042.70 is: 1,041,937.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,901.30 : 1,886,285.40 = 755,042.70 : x
  2. Step 2: Convert to fraction form
    1,366,901.30/1,886,285.40 = 755,042.70/x
  3. Step 3: Cross multiply
    1,366,901.30x = 1,886,285.40 × 755,042.70
  4. Step 4: Simplify right side
    1,366,901.30x = 1,424,226,021,386.58
  5. Step 5: Solve for x
    x = 1,424,226,021,386.58/1,366,901.30
  6. Step 6: Final answer
    x = 1,041,937.72

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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.