Home / 1,455,878.40-2,182,780.80-556,972.80

Finding the Fourth Proportional to 1,455,878.40, 2,182,780.80 and 556,972.80

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Solution

The fourth proportional to 1,455,878.40, 2,182,780.80 and 556,972.80 is: 835,062.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,878.40 : 2,182,780.80 = 556,972.80 : x
  2. Step 2: Convert to fraction form
    1,455,878.40/2,182,780.80 = 556,972.80/x
  3. Step 3: Cross multiply
    1,455,878.40x = 2,182,780.80 × 556,972.80
  4. Step 4: Simplify right side
    1,455,878.40x = 1,215,749,533,962.24
  5. Step 5: Solve for x
    x = 1,215,749,533,962.24/1,455,878.40
  6. Step 6: Final answer
    x = 835,062.55

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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.