Home / 1,021,478.73-1,409,585.31-562,503.57

Finding the Fourth Proportional to 1,021,478.73, 1,409,585.31 and 562,503.57

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Solution

The fourth proportional to 1,021,478.73, 1,409,585.31 and 562,503.57 is: 776,224.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,478.73 : 1,409,585.31 = 562,503.57 : x
  2. Step 2: Convert to fraction form
    1,021,478.73/1,409,585.31 = 562,503.57/x
  3. Step 3: Cross multiply
    1,021,478.73x = 1,409,585.31 × 562,503.57
  4. Step 4: Simplify right side
    1,021,478.73x = 792,896,773,719.76
  5. Step 5: Solve for x
    x = 792,896,773,719.76/1,021,478.73
  6. Step 6: Final answer
    x = 776,224.46

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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.