Home / 1,421,530.56-2,130,983.64-710,940.24

Finding the Fourth Proportional to 1,421,530.56, 2,130,983.64 and 710,940.24

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Solution

The fourth proportional to 1,421,530.56, 2,130,983.64 and 710,940.24 is: 1,065,754.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,530.56 : 2,130,983.64 = 710,940.24 : x
  2. Step 2: Convert to fraction form
    1,421,530.56/2,130,983.64 = 710,940.24/x
  3. Step 3: Cross multiply
    1,421,530.56x = 2,130,983.64 × 710,940.24
  4. Step 4: Simplify right side
    1,421,530.56x = 1,515,002,020,457.67
  5. Step 5: Solve for x
    x = 1,515,002,020,457.67/1,421,530.56
  6. Step 6: Final answer
    x = 1,065,754.10

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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.