Home / 830,017.60-1,243,276.80-830,017.60

Finding the Fourth Proportional to 830,017.60, 1,243,276.80 and 830,017.60

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Solution

The fourth proportional to 830,017.60, 1,243,276.80 and 830,017.60 is: 1,243,276.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,017.60 : 1,243,276.80 = 830,017.60 : x
  2. Step 2: Convert to fraction form
    830,017.60/1,243,276.80 = 830,017.60/x
  3. Step 3: Cross multiply
    830,017.60x = 1,243,276.80 × 830,017.60
  4. Step 4: Simplify right side
    830,017.60x = 1,031,941,625,671.68
  5. Step 5: Solve for x
    x = 1,031,941,625,671.68/830,017.60
  6. Step 6: Final answer
    x = 1,243,276.80

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1.5x scale

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.