Home / 1,223,752.08-1,688,678.88-707,539.10

Finding the Fourth Proportional to 1,223,752.08, 1,688,678.88 and 707,539.10

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Solution

The fourth proportional to 1,223,752.08, 1,688,678.88 and 707,539.10 is: 976,346.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,752.08 : 1,688,678.88 = 707,539.10 : x
  2. Step 2: Convert to fraction form
    1,223,752.08/1,688,678.88 = 707,539.10/x
  3. Step 3: Cross multiply
    1,223,752.08x = 1,688,678.88 × 707,539.10
  4. Step 4: Simplify right side
    1,223,752.08x = 1,194,806,326,500.81
  5. Step 5: Solve for x
    x = 1,194,806,326,500.81/1,223,752.08
  6. Step 6: Final answer
    x = 976,346.72

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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.