Home / 1,420,417.89-2,130,634.80-473,786.01

Finding the Fourth Proportional to 1,420,417.89, 2,130,634.80 and 473,786.01

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Solution

The fourth proportional to 1,420,417.89, 2,130,634.80 and 473,786.01 is: 710,681.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,417.89 : 2,130,634.80 = 473,786.01 : x
  2. Step 2: Convert to fraction form
    1,420,417.89/2,130,634.80 = 473,786.01/x
  3. Step 3: Cross multiply
    1,420,417.89x = 2,130,634.80 × 473,786.01
  4. Step 4: Simplify right side
    1,420,417.89x = 1,009,464,960,659.15
  5. Step 5: Solve for x
    x = 1,009,464,960,659.15/1,420,417.89
  6. Step 6: Final answer
    x = 710,681.67

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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.