Home / 1,507,810.80-2,080,795.02-819,482.76

Finding the Fourth Proportional to 1,507,810.80, 2,080,795.02 and 819,482.76

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Solution

The fourth proportional to 1,507,810.80, 2,080,795.02 and 819,482.76 is: 1,130,894.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,810.80 : 2,080,795.02 = 819,482.76 : x
  2. Step 2: Convert to fraction form
    1,507,810.80/2,080,795.02 = 819,482.76/x
  3. Step 3: Cross multiply
    1,507,810.80x = 2,080,795.02 × 819,482.76
  4. Step 4: Simplify right side
    1,507,810.80x = 1,705,175,645,983.86
  5. Step 5: Solve for x
    x = 1,705,175,645,983.86/1,507,810.80
  6. Step 6: Final answer
    x = 1,130,894.97

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1.5x scale

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.