Home / 1,501,417.18-2,072,155.26-856,689.58

Finding the Fourth Proportional to 1,501,417.18, 2,072,155.26 and 856,689.58

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Solution

The fourth proportional to 1,501,417.18, 2,072,155.26 and 856,689.58 is: 1,182,345.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,417.18 : 2,072,155.26 = 856,689.58 : x
  2. Step 2: Convert to fraction form
    1,501,417.18/2,072,155.26 = 856,689.58/x
  3. Step 3: Cross multiply
    1,501,417.18x = 2,072,155.26 × 856,689.58
  4. Step 4: Simplify right side
    1,501,417.18x = 1,775,193,819,384.19
  5. Step 5: Solve for x
    x = 1,775,193,819,384.19/1,501,417.18
  6. Step 6: Final answer
    x = 1,182,345.48

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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.