Home / 1,020,045.60-1,407,607.31-561,086.10

Finding the Fourth Proportional to 1,020,045.60, 1,407,607.31 and 561,086.10

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Solution

The fourth proportional to 1,020,045.60, 1,407,607.31 and 561,086.10 is: 774,268.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,045.60 : 1,407,607.31 = 561,086.10 : x
  2. Step 2: Convert to fraction form
    1,020,045.60/1,407,607.31 = 561,086.10/x
  3. Step 3: Cross multiply
    1,020,045.60x = 1,407,607.31 × 561,086.10
  4. Step 4: Simplify right side
    1,020,045.60x = 789,788,893,093.96
  5. Step 5: Solve for x
    x = 789,788,893,093.96/1,020,045.60
  6. Step 6: Final answer
    x = 774,268.22

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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.