Home / 1,206,292.80-1,810,130.40-458,875.20

Finding the Fourth Proportional to 1,206,292.80, 1,810,130.40 and 458,875.20

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Solution

The fourth proportional to 1,206,292.80, 1,810,130.40 and 458,875.20 is: 688,575.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,292.80 : 1,810,130.40 = 458,875.20 : x
  2. Step 2: Convert to fraction form
    1,206,292.80/1,810,130.40 = 458,875.20/x
  3. Step 3: Cross multiply
    1,206,292.80x = 1,810,130.40 × 458,875.20
  4. Step 4: Simplify right side
    1,206,292.80x = 830,623,949,326.08
  5. Step 5: Solve for x
    x = 830,623,949,326.08/1,206,292.80
  6. Step 6: Final answer
    x = 688,575.73

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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.