Home / 1,640,606.60-2,460,909.90-442,526.60

Finding the Fourth Proportional to 1,640,606.60, 2,460,909.90 and 442,526.60

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Solution

The fourth proportional to 1,640,606.60, 2,460,909.90 and 442,526.60 is: 663,789.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,606.60 : 2,460,909.90 = 442,526.60 : x
  2. Step 2: Convert to fraction form
    1,640,606.60/2,460,909.90 = 442,526.60/x
  3. Step 3: Cross multiply
    1,640,606.60x = 2,460,909.90 × 442,526.60
  4. Step 4: Simplify right side
    1,640,606.60x = 1,089,018,090,953.34
  5. Step 5: Solve for x
    x = 1,089,018,090,953.34/1,640,606.60
  6. Step 6: Final answer
    x = 663,789.90

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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.