Home / 1,402,685.60-2,104,028.40-456,087.20

Finding the Fourth Proportional to 1,402,685.60, 2,104,028.40 and 456,087.20

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Solution

The fourth proportional to 1,402,685.60, 2,104,028.40 and 456,087.20 is: 684,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,685.60 : 2,104,028.40 = 456,087.20 : x
  2. Step 2: Convert to fraction form
    1,402,685.60/2,104,028.40 = 456,087.20/x
  3. Step 3: Cross multiply
    1,402,685.60x = 2,104,028.40 × 456,087.20
  4. Step 4: Simplify right side
    1,402,685.60x = 959,620,421,676.48
  5. Step 5: Solve for x
    x = 959,620,421,676.48/1,402,685.60
  6. Step 6: Final answer
    x = 684,130.80

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Similar ratio
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1.5x scale

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.