Home / 1,742,579.90-2,613,999.45-620,503.10

Finding the Fourth Proportional to 1,742,579.90, 2,613,999.45 and 620,503.10

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Solution

The fourth proportional to 1,742,579.90, 2,613,999.45 and 620,503.10 is: 930,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742,579.90 : 2,613,999.45 = 620,503.10 : x
  2. Step 2: Convert to fraction form
    1,742,579.90/2,613,999.45 = 620,503.10/x
  3. Step 3: Cross multiply
    1,742,579.90x = 2,613,999.45 × 620,503.10
  4. Step 4: Simplify right side
    1,742,579.90x = 1,621,994,762,123.30
  5. Step 5: Solve for x
    x = 1,621,994,762,123.30/1,742,579.90
  6. Step 6: Final answer
    x = 930,800.80

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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.