Home / 1,570,259.80-2,355,389.70-388,307.80

Finding the Fourth Proportional to 1,570,259.80, 2,355,389.70 and 388,307.80

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Solution

The fourth proportional to 1,570,259.80, 2,355,389.70 and 388,307.80 is: 582,461.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,259.80 : 2,355,389.70 = 388,307.80 : x
  2. Step 2: Convert to fraction form
    1,570,259.80/2,355,389.70 = 388,307.80/x
  3. Step 3: Cross multiply
    1,570,259.80x = 2,355,389.70 × 388,307.80
  4. Step 4: Simplify right side
    1,570,259.80x = 914,616,192,549.66
  5. Step 5: Solve for x
    x = 914,616,192,549.66/1,570,259.80
  6. Step 6: Final answer
    x = 582,461.70

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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.