Home / 1,402,503.20-2,103,236.40-455,904.80

Finding the Fourth Proportional to 1,402,503.20, 2,103,236.40 and 455,904.80

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Solution

The fourth proportional to 1,402,503.20, 2,103,236.40 and 455,904.80 is: 683,688.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,503.20 : 2,103,236.40 = 455,904.80 : x
  2. Step 2: Convert to fraction form
    1,402,503.20/2,103,236.40 = 455,904.80/x
  3. Step 3: Cross multiply
    1,402,503.20x = 2,103,236.40 × 455,904.80
  4. Step 4: Simplify right side
    1,402,503.20x = 958,875,570,294.72
  5. Step 5: Solve for x
    x = 958,875,570,294.72/1,402,503.20
  6. Step 6: Final answer
    x = 683,688.69

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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.