Home / 1,223,739.23-1,688,661.13-707,526.24

Finding the Fourth Proportional to 1,223,739.23, 1,688,661.13 and 707,526.24

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Solution

The fourth proportional to 1,223,739.23, 1,688,661.13 and 707,526.24 is: 976,328.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,739.23 : 1,688,661.13 = 707,526.24 : x
  2. Step 2: Convert to fraction form
    1,223,739.23/1,688,661.13 = 707,526.24/x
  3. Step 3: Cross multiply
    1,223,739.23x = 1,688,661.13 × 707,526.24
  4. Step 4: Simplify right side
    1,223,739.23x = 1,194,772,069,406.36
  5. Step 5: Solve for x
    x = 1,194,772,069,406.36/1,223,739.23
  6. Step 6: Final answer
    x = 976,328.98

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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.