Home / 953,010.07-1,421,108.27-820,740.31

Finding the Fourth Proportional to 953,010.07, 1,421,108.27 and 820,740.31

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Solution

The fourth proportional to 953,010.07, 1,421,108.27 and 820,740.31 is: 1,223,870.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,010.07 : 1,421,108.27 = 820,740.31 : x
  2. Step 2: Convert to fraction form
    953,010.07/1,421,108.27 = 820,740.31/x
  3. Step 3: Cross multiply
    953,010.07x = 1,421,108.27 × 820,740.31
  4. Step 4: Simplify right side
    953,010.07x = 1,166,360,842,063.36
  5. Step 5: Solve for x
    x = 1,166,360,842,063.36/953,010.07
  6. Step 6: Final answer
    x = 1,223,870.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.