Home / 1,178,765.60-1,768,148.40-942,569.60

Finding the Fourth Proportional to 1,178,765.60, 1,768,148.40 and 942,569.60

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Solution

The fourth proportional to 1,178,765.60, 1,768,148.40 and 942,569.60 is: 1,413,854.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,765.60 : 1,768,148.40 = 942,569.60 : x
  2. Step 2: Convert to fraction form
    1,178,765.60/1,768,148.40 = 942,569.60/x
  3. Step 3: Cross multiply
    1,178,765.60x = 1,768,148.40 × 942,569.60
  4. Step 4: Simplify right side
    1,178,765.60x = 1,666,602,930,128.64
  5. Step 5: Solve for x
    x = 1,666,602,930,128.64/1,178,765.60
  6. Step 6: Final answer
    x = 1,413,854.40

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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.