Home / 1,335,870.02-1,999,074.94-830,668.91

Finding the Fourth Proportional to 1,335,870.02, 1,999,074.94 and 830,668.91

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Solution

The fourth proportional to 1,335,870.02, 1,999,074.94 and 830,668.91 is: 1,243,062.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,870.02 : 1,999,074.94 = 830,668.91 : x
  2. Step 2: Convert to fraction form
    1,335,870.02/1,999,074.94 = 830,668.91/x
  3. Step 3: Cross multiply
    1,335,870.02x = 1,999,074.94 × 830,668.91
  4. Step 4: Simplify right side
    1,335,870.02x = 1,660,569,389,346.07
  5. Step 5: Solve for x
    x = 1,660,569,389,346.07/1,335,870.02
  6. Step 6: Final answer
    x = 1,243,062.10

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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.