Home / 1,538,919.96-2,307,653.42-899,407.16

Finding the Fourth Proportional to 1,538,919.96, 2,307,653.42 and 899,407.16

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Solution

The fourth proportional to 1,538,919.96, 2,307,653.42 and 899,407.16 is: 1,348,686.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,919.96 : 2,307,653.42 = 899,407.16 : x
  2. Step 2: Convert to fraction form
    1,538,919.96/2,307,653.42 = 899,407.16/x
  3. Step 3: Cross multiply
    1,538,919.96x = 2,307,653.42 × 899,407.16
  4. Step 4: Simplify right side
    1,538,919.96x = 2,075,520,008,746.49
  5. Step 5: Solve for x
    x = 2,075,520,008,746.49/1,538,919.96
  6. Step 6: Final answer
    x = 1,348,686.13

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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.