Home / 1,105,528.02-1,657,242.27-432,041.37

Finding the Fourth Proportional to 1,105,528.02, 1,657,242.27 and 432,041.37

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Solution

The fourth proportional to 1,105,528.02, 1,657,242.27 and 432,041.37 is: 647,651.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,528.02 : 1,657,242.27 = 432,041.37 : x
  2. Step 2: Convert to fraction form
    1,105,528.02/1,657,242.27 = 432,041.37/x
  3. Step 3: Cross multiply
    1,105,528.02x = 1,657,242.27 × 432,041.37
  4. Step 4: Simplify right side
    1,105,528.02x = 715,997,220,752.71
  5. Step 5: Solve for x
    x = 715,997,220,752.71/1,105,528.02
  6. Step 6: Final answer
    x = 647,651.81

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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.