Home / 1,412,931.60-2,118,741.30-613,801.80

Finding the Fourth Proportional to 1,412,931.60, 2,118,741.30 and 613,801.80

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Solution

The fourth proportional to 1,412,931.60, 2,118,741.30 and 613,801.80 is: 920,417.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,931.60 : 2,118,741.30 = 613,801.80 : x
  2. Step 2: Convert to fraction form
    1,412,931.60/2,118,741.30 = 613,801.80/x
  3. Step 3: Cross multiply
    1,412,931.60x = 2,118,741.30 × 613,801.80
  4. Step 4: Simplify right side
    1,412,931.60x = 1,300,487,223,674.34
  5. Step 5: Solve for x
    x = 1,300,487,223,674.34/1,412,931.60
  6. Step 6: Final answer
    x = 920,417.68

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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.