Home / 1,020,705.95-1,408,563.07-561,810.69

Finding the Fourth Proportional to 1,020,705.95, 1,408,563.07 and 561,810.69

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Solution

The fourth proportional to 1,020,705.95, 1,408,563.07 and 561,810.69 is: 775,292.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,705.95 : 1,408,563.07 = 561,810.69 : x
  2. Step 2: Convert to fraction form
    1,020,705.95/1,408,563.07 = 561,810.69/x
  3. Step 3: Cross multiply
    1,020,705.95x = 1,408,563.07 × 561,810.69
  4. Step 4: Simplify right side
    1,020,705.95x = 791,345,788,860.69
  5. Step 5: Solve for x
    x = 791,345,788,860.69/1,020,705.95
  6. Step 6: Final answer
    x = 775,292.62

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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.