Home / 1,312,364.70-1,968,547.05-315,092.70

Finding the Fourth Proportional to 1,312,364.70, 1,968,547.05 and 315,092.70

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Solution

The fourth proportional to 1,312,364.70, 1,968,547.05 and 315,092.70 is: 472,639.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,364.70 : 1,968,547.05 = 315,092.70 : x
  2. Step 2: Convert to fraction form
    1,312,364.70/1,968,547.05 = 315,092.70/x
  3. Step 3: Cross multiply
    1,312,364.70x = 1,968,547.05 × 315,092.70
  4. Step 4: Simplify right side
    1,312,364.70x = 620,274,805,061.54
  5. Step 5: Solve for x
    x = 620,274,805,061.54/1,312,364.70
  6. Step 6: Final answer
    x = 472,639.05

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1.5x scale

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.