Home / 1,415,421.35-1,953,013.10-899,259.28

Finding the Fourth Proportional to 1,415,421.35, 1,953,013.10 and 899,259.28

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Solution

The fourth proportional to 1,415,421.35, 1,953,013.10 and 899,259.28 is: 1,240,807.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,421.35 : 1,953,013.10 = 899,259.28 : x
  2. Step 2: Convert to fraction form
    1,415,421.35/1,953,013.10 = 899,259.28/x
  3. Step 3: Cross multiply
    1,415,421.35x = 1,953,013.10 × 899,259.28
  4. Step 4: Simplify right side
    1,415,421.35x = 1,756,265,150,033.35
  5. Step 5: Solve for x
    x = 1,756,265,150,033.35/1,415,421.35
  6. Step 6: Final answer
    x = 1,240,807.30

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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.