Home / 1,688,086.83-2,329,559.76-924,140.40

Finding the Fourth Proportional to 1,688,086.83, 2,329,559.76 and 924,140.40

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Solution

The fourth proportional to 1,688,086.83, 2,329,559.76 and 924,140.40 is: 1,275,313.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,086.83 : 2,329,559.76 = 924,140.40 : x
  2. Step 2: Convert to fraction form
    1,688,086.83/2,329,559.76 = 924,140.40/x
  3. Step 3: Cross multiply
    1,688,086.83x = 2,329,559.76 × 924,140.40
  4. Step 4: Simplify right side
    1,688,086.83x = 2,152,840,283,159.98
  5. Step 5: Solve for x
    x = 2,152,840,283,159.98/1,688,086.83
  6. Step 6: Final answer
    x = 1,275,313.71

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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.