Home / 1,006,031-1,388,316.12-570,530.72

Finding the Fourth Proportional to 1,006,031, 1,388,316.12 and 570,530.72

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Solution

The fourth proportional to 1,006,031, 1,388,316.12 and 570,530.72 is: 787,328.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,031 : 1,388,316.12 = 570,530.72 : x
  2. Step 2: Convert to fraction form
    1,006,031/1,388,316.12 = 570,530.72/x
  3. Step 3: Cross multiply
    1,006,031x = 1,388,316.12 × 570,530.72
  4. Step 4: Simplify right side
    1,006,031x = 792,076,995,531.21
  5. Step 5: Solve for x
    x = 792,076,995,531.21/1,006,031
  6. Step 6: Final answer
    x = 787,328.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.