Home / 1,553,358.07-2,144,011.65-899,878.50

Finding the Fourth Proportional to 1,553,358.07, 2,144,011.65 and 899,878.50

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Solution

The fourth proportional to 1,553,358.07, 2,144,011.65 and 899,878.50 is: 1,242,051.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,358.07 : 2,144,011.65 = 899,878.50 : x
  2. Step 2: Convert to fraction form
    1,553,358.07/2,144,011.65 = 899,878.50/x
  3. Step 3: Cross multiply
    1,553,358.07x = 2,144,011.65 × 899,878.50
  4. Step 4: Simplify right side
    1,553,358.07x = 1,929,349,987,584.53
  5. Step 5: Solve for x
    x = 1,929,349,987,584.53/1,553,358.07
  6. Step 6: Final answer
    x = 1,242,051.03

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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.