Home / 1,360,159.80-2,041,551.90-687,001.20

Finding the Fourth Proportional to 1,360,159.80, 2,041,551.90 and 687,001.20

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Solution

The fourth proportional to 1,360,159.80, 2,041,551.90 and 687,001.20 is: 1,031,164.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,159.80 : 2,041,551.90 = 687,001.20 : x
  2. Step 2: Convert to fraction form
    1,360,159.80/2,041,551.90 = 687,001.20/x
  3. Step 3: Cross multiply
    1,360,159.80x = 2,041,551.90 × 687,001.20
  4. Step 4: Simplify right side
    1,360,159.80x = 1,402,548,605,162.28
  5. Step 5: Solve for x
    x = 1,402,548,605,162.28/1,360,159.80
  6. Step 6: Final answer
    x = 1,031,164.58

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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.