Home / 1,564,077.72-2,157,925.62-875,648.34

Finding the Fourth Proportional to 1,564,077.72, 2,157,925.62 and 875,648.34

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Solution

The fourth proportional to 1,564,077.72, 2,157,925.62 and 875,648.34 is: 1,208,113.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,077.72 : 2,157,925.62 = 875,648.34 : x
  2. Step 2: Convert to fraction form
    1,564,077.72/2,157,925.62 = 875,648.34/x
  3. Step 3: Cross multiply
    1,564,077.72x = 2,157,925.62 × 875,648.34
  4. Step 4: Simplify right side
    1,564,077.72x = 1,889,583,986,996.47
  5. Step 5: Solve for x
    x = 1,889,583,986,996.47/1,564,077.72
  6. Step 6: Final answer
    x = 1,208,113.87

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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.