Home / 992,379.60-1,486,927.80-570,920.40

Finding the Fourth Proportional to 992,379.60, 1,486,927.80 and 570,920.40

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Solution

The fourth proportional to 992,379.60, 1,486,927.80 and 570,920.40 is: 855,436.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,379.60 : 1,486,927.80 = 570,920.40 : x
  2. Step 2: Convert to fraction form
    992,379.60/1,486,927.80 = 570,920.40/x
  3. Step 3: Cross multiply
    992,379.60x = 1,486,927.80 × 570,920.40
  4. Step 4: Simplify right side
    992,379.60x = 848,917,414,347.12
  5. Step 5: Solve for x
    x = 848,917,414,347.12/992,379.60
  6. Step 6: Final answer
    x = 855,436.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.