Home / 1,007,555.42-1,390,320.60-571,834.19

Finding the Fourth Proportional to 1,007,555.42, 1,390,320.60 and 571,834.19

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Solution

The fourth proportional to 1,007,555.42, 1,390,320.60 and 571,834.19 is: 789,071.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,555.42 : 1,390,320.60 = 571,834.19 : x
  2. Step 2: Convert to fraction form
    1,007,555.42/1,390,320.60 = 571,834.19/x
  3. Step 3: Cross multiply
    1,007,555.42x = 1,390,320.60 × 571,834.19
  4. Step 4: Simplify right side
    1,007,555.42x = 795,032,854,141.31
  5. Step 5: Solve for x
    x = 795,032,854,141.31/1,007,555.42
  6. Step 6: Final answer
    x = 789,071.09

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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.