Home / 1,535,399.12-2,118,838.95-847,100.00

Finding the Fourth Proportional to 1,535,399.12, 2,118,838.95 and 847,100.00

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Solution

The fourth proportional to 1,535,399.12, 2,118,838.95 and 847,100.00 is: 1,168,991.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,399.12 : 2,118,838.95 = 847,100.00 : x
  2. Step 2: Convert to fraction form
    1,535,399.12/2,118,838.95 = 847,100.00/x
  3. Step 3: Cross multiply
    1,535,399.12x = 2,118,838.95 × 847,100.00
  4. Step 4: Simplify right side
    1,535,399.12x = 1,794,868,463,950.81
  5. Step 5: Solve for x
    x = 1,794,868,463,950.81/1,535,399.12
  6. Step 6: Final answer
    x = 1,168,991.47

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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.