Home / 1,113,885.80-1,670,828.70-272,445.80

Finding the Fourth Proportional to 1,113,885.80, 1,670,828.70 and 272,445.80

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Solution

The fourth proportional to 1,113,885.80, 1,670,828.70 and 272,445.80 is: 408,668.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,885.80 : 1,670,828.70 = 272,445.80 : x
  2. Step 2: Convert to fraction form
    1,113,885.80/1,670,828.70 = 272,445.80/x
  3. Step 3: Cross multiply
    1,113,885.80x = 1,670,828.70 × 272,445.80
  4. Step 4: Simplify right side
    1,113,885.80x = 455,210,261,834.46
  5. Step 5: Solve for x
    x = 455,210,261,834.46/1,113,885.80
  6. Step 6: Final answer
    x = 408,668.70

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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.