Home / 1,547,831.80-2,320,970.10-705,431.80

Finding the Fourth Proportional to 1,547,831.80, 2,320,970.10 and 705,431.80

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Solution

The fourth proportional to 1,547,831.80, 2,320,970.10 and 705,431.80 is: 1,057,793.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,831.80 : 2,320,970.10 = 705,431.80 : x
  2. Step 2: Convert to fraction form
    1,547,831.80/2,320,970.10 = 705,431.80/x
  3. Step 3: Cross multiply
    1,547,831.80x = 2,320,970.10 × 705,431.80
  4. Step 4: Simplify right side
    1,547,831.80x = 1,637,286,115,389.18
  5. Step 5: Solve for x
    x = 1,637,286,115,389.18/1,547,831.80
  6. Step 6: Final answer
    x = 1,057,793.31

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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.