Home / 1,526,918.91-2,290,377.06-389,681.02

Finding the Fourth Proportional to 1,526,918.91, 2,290,377.06 and 389,681.02

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Solution

The fourth proportional to 1,526,918.91, 2,290,377.06 and 389,681.02 is: 584,521.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526,918.91 : 2,290,377.06 = 389,681.02 : x
  2. Step 2: Convert to fraction form
    1,526,918.91/2,290,377.06 = 389,681.02/x
  3. Step 3: Cross multiply
    1,526,918.91x = 2,290,377.06 × 389,681.02
  4. Step 4: Simplify right side
    1,526,918.91x = 892,516,455,525.11
  5. Step 5: Solve for x
    x = 892,516,455,525.11/1,526,918.91
  6. Step 6: Final answer
    x = 584,521.19

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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.