Home / 1,553,358.32-2,144,011.99-899,878.74

Finding the Fourth Proportional to 1,553,358.32, 2,144,011.99 and 899,878.74

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Solution

The fourth proportional to 1,553,358.32, 2,144,011.99 and 899,878.74 is: 1,242,051.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,358.32 : 2,144,011.99 = 899,878.74 : x
  2. Step 2: Convert to fraction form
    1,553,358.32/2,144,011.99 = 899,878.74/x
  3. Step 3: Cross multiply
    1,553,358.32x = 2,144,011.99 × 899,878.74
  4. Step 4: Simplify right side
    1,553,358.32x = 1,929,350,808,106.09
  5. Step 5: Solve for x
    x = 1,929,350,808,106.09/1,553,358.32
  6. Step 6: Final answer
    x = 1,242,051.36

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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.