Home / 1,050,291.20-1,575,436.80-419,302.40

Finding the Fourth Proportional to 1,050,291.20, 1,575,436.80 and 419,302.40

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Solution

The fourth proportional to 1,050,291.20, 1,575,436.80 and 419,302.40 is: 628,953.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,291.20 : 1,575,436.80 = 419,302.40 : x
  2. Step 2: Convert to fraction form
    1,050,291.20/1,575,436.80 = 419,302.40/x
  3. Step 3: Cross multiply
    1,050,291.20x = 1,575,436.80 × 419,302.40
  4. Step 4: Simplify right side
    1,050,291.20x = 660,584,431,288.32
  5. Step 5: Solve for x
    x = 660,584,431,288.32/1,050,291.20
  6. Step 6: Final answer
    x = 628,953.60

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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.