Home / 1,021,718.30-1,409,915.85-562,743.55

Finding the Fourth Proportional to 1,021,718.30, 1,409,915.85 and 562,743.55

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Solution

The fourth proportional to 1,021,718.30, 1,409,915.85 and 562,743.55 is: 776,555.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,718.30 : 1,409,915.85 = 562,743.55 : x
  2. Step 2: Convert to fraction form
    1,021,718.30/1,409,915.85 = 562,743.55/x
  3. Step 3: Cross multiply
    1,021,718.30x = 1,409,915.85 × 562,743.55
  4. Step 4: Simplify right side
    1,021,718.30x = 793,421,043,580.69
  5. Step 5: Solve for x
    x = 793,421,043,580.69/1,021,718.30
  6. Step 6: Final answer
    x = 776,555.58

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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.