Home / 1,671,328.64-2,506,672.32-472,961.60

Finding the Fourth Proportional to 1,671,328.64, 2,506,672.32 and 472,961.60

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Solution

The fourth proportional to 1,671,328.64, 2,506,672.32 and 472,961.60 is: 709,351.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671,328.64 : 2,506,672.32 = 472,961.60 : x
  2. Step 2: Convert to fraction form
    1,671,328.64/2,506,672.32 = 472,961.60/x
  3. Step 3: Cross multiply
    1,671,328.64x = 2,506,672.32 × 472,961.60
  4. Step 4: Simplify right side
    1,671,328.64x = 1,185,559,751,142.91
  5. Step 5: Solve for x
    x = 1,185,559,751,142.91/1,671,328.64
  6. Step 6: Final answer
    x = 709,351.66

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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.