Home / 1,557,031.86-2,148,767.73-983,862.90

Finding the Fourth Proportional to 1,557,031.86, 2,148,767.73 and 983,862.90

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Solution

The fourth proportional to 1,557,031.86, 2,148,767.73 and 983,862.90 is: 1,357,771.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,031.86 : 2,148,767.73 = 983,862.90 : x
  2. Step 2: Convert to fraction form
    1,557,031.86/2,148,767.73 = 983,862.90/x
  3. Step 3: Cross multiply
    1,557,031.86x = 2,148,767.73 × 983,862.90
  4. Step 4: Simplify right side
    1,557,031.86x = 2,114,092,850,264.22
  5. Step 5: Solve for x
    x = 2,114,092,850,264.22/1,557,031.86
  6. Step 6: Final answer
    x = 1,357,771.09

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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.