Home / 1,370,256.40-2,055,384.60-660,356.20

Finding the Fourth Proportional to 1,370,256.40, 2,055,384.60 and 660,356.20

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Solution

The fourth proportional to 1,370,256.40, 2,055,384.60 and 660,356.20 is: 990,534.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,256.40 : 2,055,384.60 = 660,356.20 : x
  2. Step 2: Convert to fraction form
    1,370,256.40/2,055,384.60 = 660,356.20/x
  3. Step 3: Cross multiply
    1,370,256.40x = 2,055,384.60 × 660,356.20
  4. Step 4: Simplify right side
    1,370,256.40x = 1,357,285,963,994.52
  5. Step 5: Solve for x
    x = 1,357,285,963,994.52/1,370,256.40
  6. Step 6: Final answer
    x = 990,534.30

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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.