Home / 1,437,237.10-1,982,886.38-921,275.52

Finding the Fourth Proportional to 1,437,237.10, 1,982,886.38 and 921,275.52

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Solution

The fourth proportional to 1,437,237.10, 1,982,886.38 and 921,275.52 is: 1,271,039.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,237.10 : 1,982,886.38 = 921,275.52 : x
  2. Step 2: Convert to fraction form
    1,437,237.10/1,982,886.38 = 921,275.52/x
  3. Step 3: Cross multiply
    1,437,237.10x = 1,982,886.38 × 921,275.52
  4. Step 4: Simplify right side
    1,437,237.10x = 1,826,784,680,835.42
  5. Step 5: Solve for x
    x = 1,826,784,680,835.42/1,437,237.10
  6. Step 6: Final answer
    x = 1,271,039.19

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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.