Home / 1,376,247.81-2,064,371.72-429,699.63

Finding the Fourth Proportional to 1,376,247.81, 2,064,371.72 and 429,699.63

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Solution

The fourth proportional to 1,376,247.81, 2,064,371.72 and 429,699.63 is: 644,549.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,247.81 : 2,064,371.72 = 429,699.63 : x
  2. Step 2: Convert to fraction form
    1,376,247.81/2,064,371.72 = 429,699.63/x
  3. Step 3: Cross multiply
    1,376,247.81x = 2,064,371.72 × 429,699.63
  4. Step 4: Simplify right side
    1,376,247.81x = 887,059,772,276.42
  5. Step 5: Solve for x
    x = 887,059,772,276.42/1,376,247.81
  6. Step 6: Final answer
    x = 644,549.45

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Double scale
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Similar ratio
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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.