Home / 1,239,356.16-1,709,347.32-896,478.30

Finding the Fourth Proportional to 1,239,356.16, 1,709,347.32 and 896,478.30

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Solution

The fourth proportional to 1,239,356.16, 1,709,347.32 and 896,478.30 is: 1,236,442.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,356.16 : 1,709,347.32 = 896,478.30 : x
  2. Step 2: Convert to fraction form
    1,239,356.16/1,709,347.32 = 896,478.30/x
  3. Step 3: Cross multiply
    1,239,356.16x = 1,709,347.32 × 896,478.30
  4. Step 4: Simplify right side
    1,239,356.16x = 1,532,392,779,543.16
  5. Step 5: Solve for x
    x = 1,532,392,779,543.16/1,239,356.16
  6. Step 6: Final answer
    x = 1,236,442.62

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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.