Home / 1,053,783.60-1,578,342.60-867,159.60

Finding the Fourth Proportional to 1,053,783.60, 1,578,342.60 and 867,159.60

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Solution

The fourth proportional to 1,053,783.60, 1,578,342.60 and 867,159.60 is: 1,298,819.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,783.60 : 1,578,342.60 = 867,159.60 : x
  2. Step 2: Convert to fraction form
    1,053,783.60/1,578,342.60 = 867,159.60/x
  3. Step 3: Cross multiply
    1,053,783.60x = 1,578,342.60 × 867,159.60
  4. Step 4: Simplify right side
    1,053,783.60x = 1,368,674,937,678.96
  5. Step 5: Solve for x
    x = 1,368,674,937,678.96/1,053,783.60
  6. Step 6: Final answer
    x = 1,298,819.74

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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.