Home / 1,223,642.27-1,688,782.04-740,210.88

Finding the Fourth Proportional to 1,223,642.27, 1,688,782.04 and 740,210.88

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Solution

The fourth proportional to 1,223,642.27, 1,688,782.04 and 740,210.88 is: 1,021,585.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,642.27 : 1,688,782.04 = 740,210.88 : x
  2. Step 2: Convert to fraction form
    1,223,642.27/1,688,782.04 = 740,210.88/x
  3. Step 3: Cross multiply
    1,223,642.27x = 1,688,782.04 × 740,210.88
  4. Step 4: Simplify right side
    1,223,642.27x = 1,250,054,841,807.12
  5. Step 5: Solve for x
    x = 1,250,054,841,807.12/1,223,642.27
  6. Step 6: Final answer
    x = 1,021,585.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.