Home / 1,402,592.09-1,934,679.53-972,715.37

Finding the Fourth Proportional to 1,402,592.09, 1,934,679.53 and 972,715.37

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Solution

The fourth proportional to 1,402,592.09, 1,934,679.53 and 972,715.37 is: 1,341,724.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,592.09 : 1,934,679.53 = 972,715.37 : x
  2. Step 2: Convert to fraction form
    1,402,592.09/1,934,679.53 = 972,715.37/x
  3. Step 3: Cross multiply
    1,402,592.09x = 1,934,679.53 × 972,715.37
  4. Step 4: Simplify right side
    1,402,592.09x = 1,881,892,507,613.77
  5. Step 5: Solve for x
    x = 1,881,892,507,613.77/1,402,592.09
  6. Step 6: Final answer
    x = 1,341,724.75

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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.