Home / 686,048.40-1,029,072.60-672,926.40

Finding the Fourth Proportional to 686,048.40, 1,029,072.60 and 672,926.40

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Solution

The fourth proportional to 686,048.40, 1,029,072.60 and 672,926.40 is: 1,009,389.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,048.40 : 1,029,072.60 = 672,926.40 : x
  2. Step 2: Convert to fraction form
    686,048.40/1,029,072.60 = 672,926.40/x
  3. Step 3: Cross multiply
    686,048.40x = 1,029,072.60 × 672,926.40
  4. Step 4: Simplify right side
    686,048.40x = 692,490,120,056.64
  5. Step 5: Solve for x
    x = 692,490,120,056.64/686,048.40
  6. Step 6: Final answer
    x = 1,009,389.60

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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.