Home / 1,020,705.46-1,408,562.38-561,810.20

Finding the Fourth Proportional to 1,020,705.46, 1,408,562.38 and 561,810.20

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Solution

The fourth proportional to 1,020,705.46, 1,408,562.38 and 561,810.20 is: 775,291.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,705.46 : 1,408,562.38 = 561,810.20 : x
  2. Step 2: Convert to fraction form
    1,020,705.46/1,408,562.38 = 561,810.20/x
  3. Step 3: Cross multiply
    1,020,705.46x = 1,408,562.38 × 561,810.20
  4. Step 4: Simplify right side
    1,020,705.46x = 791,344,712,420.28
  5. Step 5: Solve for x
    x = 791,344,712,420.28/1,020,705.46
  6. Step 6: Final answer
    x = 775,291.94

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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.