Home / 1,357,329.76-1,872,646.20-867,585.76

Finding the Fourth Proportional to 1,357,329.76, 1,872,646.20 and 867,585.76

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Solution

The fourth proportional to 1,357,329.76, 1,872,646.20 and 867,585.76 is: 1,196,968.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,329.76 : 1,872,646.20 = 867,585.76 : x
  2. Step 2: Convert to fraction form
    1,357,329.76/1,872,646.20 = 867,585.76/x
  3. Step 3: Cross multiply
    1,357,329.76x = 1,872,646.20 × 867,585.76
  4. Step 4: Simplify right side
    1,357,329.76x = 1,624,681,176,638.11
  5. Step 5: Solve for x
    x = 1,624,681,176,638.11/1,357,329.76
  6. Step 6: Final answer
    x = 1,196,968.65

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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.