Home / 1,415,868.26-1,953,888.68-771,288.89

Finding the Fourth Proportional to 1,415,868.26, 1,953,888.68 and 771,288.89

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Solution

The fourth proportional to 1,415,868.26, 1,953,888.68 and 771,288.89 is: 1,064,373.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,868.26 : 1,953,888.68 = 771,288.89 : x
  2. Step 2: Convert to fraction form
    1,415,868.26/1,953,888.68 = 771,288.89/x
  3. Step 3: Cross multiply
    1,415,868.26x = 1,953,888.68 × 771,288.89
  4. Step 4: Simplify right side
    1,415,868.26x = 1,507,012,623,339.54
  5. Step 5: Solve for x
    x = 1,507,012,623,339.54/1,415,868.26
  6. Step 6: Final answer
    x = 1,064,373.48

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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.