Home / 1,112,547.80-1,668,084.60-402,482.36

Finding the Fourth Proportional to 1,112,547.80, 1,668,084.60 and 402,482.36

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Solution

The fourth proportional to 1,112,547.80, 1,668,084.60 and 402,482.36 is: 603,456.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,547.80 : 1,668,084.60 = 402,482.36 : x
  2. Step 2: Convert to fraction form
    1,112,547.80/1,668,084.60 = 402,482.36/x
  3. Step 3: Cross multiply
    1,112,547.80x = 1,668,084.60 × 402,482.36
  4. Step 4: Simplify right side
    1,112,547.80x = 671,374,626,487.66
  5. Step 5: Solve for x
    x = 671,374,626,487.66/1,112,547.80
  6. Step 6: Final answer
    x = 603,456.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.