Home / 1,315,039.80-1,972,559.70-473,482.20

Finding the Fourth Proportional to 1,315,039.80, 1,972,559.70 and 473,482.20

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Solution

The fourth proportional to 1,315,039.80, 1,972,559.70 and 473,482.20 is: 710,223.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,039.80 : 1,972,559.70 = 473,482.20 : x
  2. Step 2: Convert to fraction form
    1,315,039.80/1,972,559.70 = 473,482.20/x
  3. Step 3: Cross multiply
    1,315,039.80x = 1,972,559.70 × 473,482.20
  4. Step 4: Simplify right side
    1,315,039.80x = 933,971,906,387.34
  5. Step 5: Solve for x
    x = 933,971,906,387.34/1,315,039.80
  6. Step 6: Final answer
    x = 710,223.30

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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.