Home / 1,155,309.33-1,594,204.20-638,981.18

Finding the Fourth Proportional to 1,155,309.33, 1,594,204.20 and 638,981.18

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Solution

The fourth proportional to 1,155,309.33, 1,594,204.20 and 638,981.18 is: 881,726.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,309.33 : 1,594,204.20 = 638,981.18 : x
  2. Step 2: Convert to fraction form
    1,155,309.33/1,594,204.20 = 638,981.18/x
  3. Step 3: Cross multiply
    1,155,309.33x = 1,594,204.20 × 638,981.18
  4. Step 4: Simplify right side
    1,155,309.33x = 1,018,666,472,905.94
  5. Step 5: Solve for x
    x = 1,018,666,472,905.94/1,155,309.33
  6. Step 6: Final answer
    x = 881,726.17

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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.