Home / 1,402,597.28-1,934,686.71-972,720.56

Finding the Fourth Proportional to 1,402,597.28, 1,934,686.71 and 972,720.56

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Solution

The fourth proportional to 1,402,597.28, 1,934,686.71 and 972,720.56 is: 1,341,731.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,597.28 : 1,934,686.71 = 972,720.56 : x
  2. Step 2: Convert to fraction form
    1,402,597.28/1,934,686.71 = 972,720.56/x
  3. Step 3: Cross multiply
    1,402,597.28x = 1,934,686.71 × 972,720.56
  4. Step 4: Simplify right side
    1,402,597.28x = 1,881,909,544,812.47
  5. Step 5: Solve for x
    x = 1,881,909,544,812.47/1,402,597.28
  6. Step 6: Final answer
    x = 1,341,731.92

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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.