Home / 992,678.40-1,489,017.60-893,145.60

Finding the Fourth Proportional to 992,678.40, 1,489,017.60 and 893,145.60

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Solution

The fourth proportional to 992,678.40, 1,489,017.60 and 893,145.60 is: 1,339,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,678.40 : 1,489,017.60 = 893,145.60 : x
  2. Step 2: Convert to fraction form
    992,678.40/1,489,017.60 = 893,145.60/x
  3. Step 3: Cross multiply
    992,678.40x = 1,489,017.60 × 893,145.60
  4. Step 4: Simplify right side
    992,678.40x = 1,329,909,517,762.56
  5. Step 5: Solve for x
    x = 1,329,909,517,762.56/992,678.40
  6. Step 6: Final answer
    x = 1,339,718.40

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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.