Home / 1,557,316.96-2,148,594.18-868,877.20

Finding the Fourth Proportional to 1,557,316.96, 2,148,594.18 and 868,877.20

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Solution

The fourth proportional to 1,557,316.96, 2,148,594.18 and 868,877.20 is: 1,198,769.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,316.96 : 2,148,594.18 = 868,877.20 : x
  2. Step 2: Convert to fraction form
    1,557,316.96/2,148,594.18 = 868,877.20/x
  3. Step 3: Cross multiply
    1,557,316.96x = 2,148,594.18 × 868,877.20
  4. Step 4: Simplify right side
    1,557,316.96x = 1,866,864,495,054.70
  5. Step 5: Solve for x
    x = 1,866,864,495,054.70/1,557,316.96
  6. Step 6: Final answer
    x = 1,198,769.77

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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.