Home / 1,249,085.85-1,869,200.10-850,505.10

Finding the Fourth Proportional to 1,249,085.85, 1,869,200.10 and 850,505.10

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Solution

The fourth proportional to 1,249,085.85, 1,869,200.10 and 850,505.10 is: 1,272,742.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,085.85 : 1,869,200.10 = 850,505.10 : x
  2. Step 2: Convert to fraction form
    1,249,085.85/1,869,200.10 = 850,505.10/x
  3. Step 3: Cross multiply
    1,249,085.85x = 1,869,200.10 × 850,505.10
  4. Step 4: Simplify right side
    1,249,085.85x = 1,589,764,217,970.51
  5. Step 5: Solve for x
    x = 1,589,764,217,970.51/1,249,085.85
  6. Step 6: Final answer
    x = 1,272,742.16

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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.