Home / 1,316,681.10-1,816,292.34-1,071,929.16

Finding the Fourth Proportional to 1,316,681.10, 1,816,292.34 and 1,071,929.16

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Solution

The fourth proportional to 1,316,681.10, 1,816,292.34 and 1,071,929.16 is: 1,478,669.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,681.10 : 1,816,292.34 = 1,071,929.16 : x
  2. Step 2: Convert to fraction form
    1,316,681.10/1,816,292.34 = 1,071,929.16/x
  3. Step 3: Cross multiply
    1,316,681.10x = 1,816,292.34 × 1,071,929.16
  4. Step 4: Simplify right side
    1,316,681.10x = 1,946,936,722,330.63
  5. Step 5: Solve for x
    x = 1,946,936,722,330.63/1,316,681.10
  6. Step 6: Final answer
    x = 1,478,669.91

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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.