Home / 1,303,721.10-1,955,484.45-545,366.70

Finding the Fourth Proportional to 1,303,721.10, 1,955,484.45 and 545,366.70

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Solution

The fourth proportional to 1,303,721.10, 1,955,484.45 and 545,366.70 is: 818,009.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,721.10 : 1,955,484.45 = 545,366.70 : x
  2. Step 2: Convert to fraction form
    1,303,721.10/1,955,484.45 = 545,366.70/x
  3. Step 3: Cross multiply
    1,303,721.10x = 1,955,484.45 × 545,366.70
  4. Step 4: Simplify right side
    1,303,721.10x = 1,066,456,101,397.82
  5. Step 5: Solve for x
    x = 1,066,456,101,397.82/1,303,721.10
  6. Step 6: Final answer
    x = 818,009.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.