Home / 1,329,587.28-1,833,899.40-899,678.16

Finding the Fourth Proportional to 1,329,587.28, 1,833,899.40 and 899,678.16

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Solution

The fourth proportional to 1,329,587.28, 1,833,899.40 and 899,678.16 is: 1,240,925.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,587.28 : 1,833,899.40 = 899,678.16 : x
  2. Step 2: Convert to fraction form
    1,329,587.28/1,833,899.40 = 899,678.16/x
  3. Step 3: Cross multiply
    1,329,587.28x = 1,833,899.40 × 899,678.16
  4. Step 4: Simplify right side
    1,329,587.28x = 1,649,919,237,817.10
  5. Step 5: Solve for x
    x = 1,649,919,237,817.10/1,329,587.28
  6. Step 6: Final answer
    x = 1,240,925.86

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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.