Home / 1,020,705.54-1,408,562.58-561,810.30

Finding the Fourth Proportional to 1,020,705.54, 1,408,562.58 and 561,810.30

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Solution

The fourth proportional to 1,020,705.54, 1,408,562.58 and 561,810.30 is: 775,292.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,705.54 : 1,408,562.58 = 561,810.30 : x
  2. Step 2: Convert to fraction form
    1,020,705.54/1,408,562.58 = 561,810.30/x
  3. Step 3: Cross multiply
    1,020,705.54x = 1,408,562.58 × 561,810.30
  4. Step 4: Simplify right side
    1,020,705.54x = 791,344,965,638.57
  5. Step 5: Solve for x
    x = 791,344,965,638.57/1,020,705.54
  6. Step 6: Final answer
    x = 775,292.12

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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.